Auto User Guide

2023 Nissan ALTIMA Supplemental Restraint System Guidelines

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Nissan ALTIMA 2023 Supplemental Restraint System 

A powerful Supplemental Restraint System (SRS) is a key component of the 2023 Nissan Altima’s safety architecture. The side, curtain, and frontal airbags that are part of the SRS are intended to be strategically deployed in the event of a collision, offering a cushioning effect that helps reduce the risk of harm to vehicle occupants. Together with seat belts and other safety measures, these airbags provide a protective cocoon inside the car’s cabin. By providing an extra layer of protection during collisions, the SRS in the Altima significantly contributes to improving passenger safety and demonstrates Nissan’s dedication to passenger well-being in its 2023 model.

2023 Nissan Altima Specs, Price, Features and Mileage (Brochure)

Air Bag – Supplemental Restraint System

PRECAUTIONS ON SRS

This SRS section contains important information concerning the following systems:

  • Driver and front passenger supplemental front-impact air bag (NISSAN Advanced Air Bag System)
  • Front seat-mounted side-impact supplemental airbag
  • Rear outboard seat-mounted side-impact supplemental airbag
  • Roof-mounted curtain side-impact and rollover supplemental airbag
  • Driver and front passenger supplemental knee airbag
  • Seat belt with pre-tensioner(s) (front and rear outboard seats)

Supplemental front-impact air bag system
The NISSAN Advanced Air Bag System can help cushion the impact force to the head and chest of the driver and front passenger in certain frontal collisions.

The front seat-mounted side-impact supple-mental airbag system
This system can help cushion the impact force to the chest area of the driver and front passenger in certain side-impact collisions. The side airbags are designed to inflate on the side where the vehicle is impacted.

Rear outboard seat-mounted side-impact supplemental air bag system
This system can help cushion the impact force to the chest area of the rear outboard seat passengers in certain side-impact collisions. The side airbags are designed to inflate on the side where the vehicle is impacted.

Roof-mounted curtain side-impact and rollover supplemental airbag system
This system can help cushion the impact force on the head of occupants in front and rear outboard seating positions in certain side-impact collisions. The curtain airbags are designed to inflate on the side where the vehicle is impacted. In a rollover, the curtain airbags are designed to inflate and remain inflated for a short time.

Driver and front passenger supplemental knee airbags
This system can help cushion the impact force on the driver’s and front passenger’s knees in certain collisions. The SRS is designed to supplement the crash protection provided by the driver and front passenger and rear seat belts and is not a substitute for them. Seat belts should always be correctly worn and the occupant seated a suitable distance away from the steering wheel, instrument panel, and door finishers. The supplemental airbags operate only when the ignition switch is placed in the ON position. After placing the ignition switch in the ON position, the supplemental air bag warning light illuminates. The supplemental air bag warning light will turn off after about 7 seconds if the system is operational.Supplemental Restraint System2001

WARNING
The front airbags ordinarily will not inflate in the event of a side impact, rear impact, rollover, or lower-severity frontal collision. Always wear your seat belts to help reduce the risk or severity of injury in various kinds of accidents The front passenger airbag and front passenger knee airbag will not inflate if the passenger airbag status light is lit. The seat belts and the front airbags are most effective when you are sitting well back and upright in the seat. The front airbags inflate with great force. Even with the NISSAN Advanced Air Bag System, if you are unrestrained, leaning forward, sitting sideways, or out of position in any way, you are at greater risk of injury or death in a crash. You may also receive serious or fatal injuries from the front airbag if you are up against it when it inflates. Always sit back against the seatback and as far away as is practical from the steering wheel or instrument panel. Always properly use seat belts. The driver and front passenger seat belt buckles are equipped with sensors that detect if the seat belts are fastened. The NISSAN Advanced Air Bag System monitors the severity of a collision and seat belt usage, and then inflates the airbags as needed. Failure to properly wear seat belts can increase the risk or severity of injury in an accident. The front passenger seat is equipped with an occupant classification sensor (weight sensor) that turns the front passenger airbag and passenger knee airbag OFF under some conditions. This sensor is only used in this seat. Failure to be properly seated and wearing the seat belt can increase the risk or severity of injury in an accident. 

Supplemental Restraint System2001

WARNING
Never let children ride unrestrained or extend their hands or face out of the window. Do not attempt to hold them in your lap or arms. Some examples of dangerous riding positions are shown in the illustrations.

Supplemental Restraint System2004

WARNING
Children may be severely injured or killed when the front airbags, side airbags or curtain airbags inflate if they are not properly restrained. Pre-teens and children should be properly restrained in the rear seat, if possible.

Supplemental Restraint System2008

WARNING
Even with the NISSAN Advanced Air Bag System, never install a rear-facing child restraint in the front seat. An inflating front airbag could seriously injure or kill your child.

WARNING
Front and rear outboard seat-mounted side-impact supplemental airbags and roof-mounted curtain side-impact and rollover supplemental airbags:

  • The side airbags and curtain airbags ordinarily will not inflate in the event of a frontal impact, rear impact, or lower severity side collision. Always wear your seat belts to help reduce the risk or severity of injury in various kinds of accidents.

Supplemental Restraint System003

WARNING
The seat belts, the side airbags, and curtain airbags are most effective when you are sitting well back and upright in the seat with both feet on the floor. The side airbag and curtain airbag inflate with great force. Do not allow anyone to place their hand, leg, or face near the side airbag on the side of the seatback of the front and rear seat or near the side roof rails. Do not allow anyone sitting in the front seats or rear outboard seats to extend their hand out of the window or lean against the door. Some examples of dangerous riding positions are shown in the previous illustrations.Supplemental Restraint System2005

WARNING
When sitting in the rear seat, do not hold onto the seatback of the front seat. If the side airbag inflates, you may be seriously injured. Be especially careful with children, who should always be properly restrained. Some examples of dangerous riding positions are shown in the illustrations. Do not use seat covers on the front or rear seatbacks. They may interfere with side airbag inflation.

Supplemental Restraint System2006

Supplemental Restraint System2007

NISSAN Advanced Air Bag System

  1. Top tether strap anchor
  2.  Roof-mounted curtain side-impact and rollover supplemental airbag inflators
  3. Rear seat belts
  4. Roof-mounted curtain side-impact and rollover supplemental airbag
  5. Front seat-mounted side-impact supplemental airbag
  6. Head restraints/headrests
  7. Front seat belts
  8. Side-impact pressure sensor (driver’s side shown; front passenger’s side similar)
  9. Supplemental front-impact airbags
  10. Driver and front passenger supple-mental knee airbags
  11. Seats
  12. Occupant classification sensor (weight sensor)
  13. Seat belt with pre-tensioner(s) (front seats shown; rear outboard seats similar)
  14. Satellite sensors (passenger’s side shown; driver’s side similar)
  15. LATCH (Lower Anchors and Tethers for Children’s) system
  16. Satellite sensors (passenger’s side shown; driver’s side similar)
  17. Rear outboard seat-mounted side-impact supplemental airbags

WARNING
To ensure the proper operation of the passenger’s NISSAN Advanced Air Bag System, please observe the following items.

  • Do not allow a passenger in the rear seat to push or pull on the seatback pocket.
  • Do not place heavy loads heavier than 9.1 lbs. (4 kg) on the seatback, head restraint/headrest or in the seatback pocket.
  • Make sure that there is nothing pressing against the rear of the seat-back, such as a child restraint installed in the rear seat or an object stored on the floor.
  • Make sure that there is no object placed under the front passenger seat.
  • Make sure that there is no object placed between the seat cushion and the center console or between the seat cushion and the door.
  • If a forward-facing child restraint is installed in the front passenger seat, do not position the front passenger seat so the child restraint contacts the instrument panel. If the child restraint does contact the instrument panel, the system may determine the seat is occupied and the passenger airbag and front passenger supple-mental knee airbag may deploy in a collision. Also, the front passenger airbag status light may not illuminate.
  • Confirm the operating condition with the front passenger airbag status light.
  • If you notice that the front passenger air bag status light is not operating as described in this section, get the occupant classification system checked. It is recommended that you visit a NISSAN dealer for this service.
  • Until you have confirmed with a dealer that your passenger seat occupant classification system is working properly, position the occupants in the rear seating positions.
  • Do not position the front passenger seat so it contacts the rear seat. If the front seat does contact the rear seat, the air bag system may determine a sensor malfunction has occurred and the front passenger air bag status light may illuminate, and the supplemental air bag warning light may flash.

This vehicle is equipped with the NISSAN Advanced Air Bag System for the driver and front passenger seats. This system is designed to meet certification requirements under U.S. regulations. It is also permitted in Canada. However, all of the information, cautions, and warnings in this manual still apply and must be followed. The driver’s supplemental front-impact air bag is located in the center of the steering wheel. The front passenger supplemental front-impact air bag is mounted in the dashboard above the glove box. The front airbags are designed to inflate in higher severity frontal collisions, although they may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. They may not inflate in certain frontal collisions. Vehicle damage (or lack of it) is not always an indication of proper front airbag system operation. The NISSAN Advanced Air Bag System monitors information from the crash zone sensor, the Airbag Control Unit (ACU), seat belt buckle sensors, and the occupant classification sensor (weight sensor). Inflator operation is based on the severity of a collision and seat belt usage for the driver. For the front passenger, the occupant classification sensor is also monitored. Based on information from the sensor, only one front airbag may inflate in a crash, depending on the crash severity and whether the front occupants are belted or unbelted. Additionally, the front passenger airbag and front passenger supplemental knee airbag may be automatically turned off under some conditions, depending on the weight detected on the front passenger seat and how the seat belt is used. If the front passenger airbag and front passenger supplemental knee airbag are OFF, the front passenger airbag status light will be illuminated. One front air bag inflating does not indicate the improper performance of the system. If you have any questions about your airbag system, it is recommended that you visit a NISSAN dealer to obtain information about the system. If you are considering modification of your vehicle due to a disability, you may also contact NISSAN. Contact information is contained in the front of this Owner’s Manual. When a front air bag inflates, a fairly loud noise may be heard, followed by the release of smoke. This smoke is not harmful and does not indicate a fire. Care should be taken to not inhale it, as it may cause irritation and choking. Those with a history of breathing conditions should get fresh air promptly. Front airbags, along with the use of seat belts, help to cushion the impact force on the face and chest of the front occupants. They can help save lives and reduce serious injuries. However, an inflating front airbag may cause facial abrasions or other injuries. Front airbags do not provide restraint to the lower body. Even with NISSAN Advanced Air Bags, seat belts should be correctly worn and the driver and front passenger seated upright as far as practical away from the steering wheel or instrument panel. The front airbags inflate quickly in order to help protect the front occupants. Because of this, the force of the front air bag inflating can increase the risk of injury if the occupant is too close to, or is against, the front airbag module during inflation. The front airbags deflate quickly after a collision. The front airbags operate only when the ignition switch is placed in the ON position. After placing the ignition switch in the ON position, the supplemental air bag warning light illuminates. The supplemental air bag warning light will turn off after about 7 seconds if the system is operational.

Supplemental Restraint System004

Front and rear outboard seat-mounted side-impact supplemental air bag and roof-mounted curtain side-impact and rollover supplemental air bag systems. The side airbags are located on the outside of the seatback of the front and rear outboard seats. The curtain airbags are located in the side roof rails. All of the information, cautions, and warnings in this manual must be followed. The side airbags and curtain airbags are designed to inflate in higher severity side collisions, although they may inflate if the forces in another type of collision are similar to those of a higher severity impact. They are designed to inflate on the side where the vehicle is impacted. They may not inflate in certain side collisions. Curtain airbags are also designed to inflate in certain types of rollover collisions or near rollovers. As a result, certain vehicle movements (for example, during severe off-roading) may cause the curtain airbags to inflate. Vehicle damage (or lack of it) is not always an indication of proper side airbag and curtain airbag operation. When the side airbags and curtain airbags inflate, a fairly loud noise may be heard, followed by the release of smoke. This smoke is not harmful and does not indicate a fire. Care should be taken not to inhale it, as it may cause irritation and choking. Those with a history of breathing conditions should get fresh air promptly. Side airbags, along with the use of seat belts, help to cushion the impact force on the chest and pelvic area of the front and rear outboard occupants. Curtain airbags help to cushion the impact force on the head of occupants in the front and rear outboard seating positions. They can help save lives and reduce serious injuries. However, an inflating side airbag and curtain airbag may cause abrasions or other injuries. Side airbags and curtain airbags do not provide restraint to the lower body. The seat belts should be correctly worn and the driver, front passenger, and rear outboard occupants seated upright as far as practical away from the side airbag. Rear seat passengers should be seated as far away as practical from the door finishers and side roof rails. The side airbags and curtain airbags inflate quickly in order to help protect the occupants. Because of this, the force of the side airbag and curtain airbag inflating can increase the risk of injury if the occupant is too close to, or is against, these airbag modules during inflation. The side airbag will deflate quickly after the collision is over. The curtain airbag will remain inflated for a short time. The side airbags and curtain airbags operate only when the ignition switch is placed in the ON position. After placing the ignition switch in the ON position, the supplemental air bag warning light illuminates. The supplemental air bag warning light will turn off after about 7 seconds if the system is operational.

WARNING
Do not place any objects near the back of the front and rear seats. Also, do not place any objects (an umbrella, bag, etc.) between the front and rear door finisher and the front and rear seat. Such objects may become dangerous projectiles and cause injury if a side airbag inflates. Right after inflation, several side airbag and curtain airbag system components will be hot. Do not touch them; you may severely burn yourself. No unauthorized changes should be made to any components or wiring of the side airbag and curtain airbag systems. This is to prevent damage to or accidental inflation of the side airbag and curtain airbag or damage to the side airbag and curtain airbag systems. Do not make unauthorized changes to your vehicle’s electrical system, suspension system or side panel. This could affect the proper operation of the side airbag and curtain airbag systems. Tampering with the side airbag system may result in serious personal injury. For example, do not change the front and rear seats by placing material near the seatbacks or by installing additional trim material, such as seat covers, around the side airbag. It is recommended that you visit a NISSAN dealer for work on and around the side airbag and curtain airbag. It is also recommended that you visit a NISSAN dealer for installation of electrical equipment. The SRS wiring harnesses* should not be modified or disconnected. Unauthorized electrical test equipment and probing devices should not be used on the side airbag or curtain air bag system The SRS wiring harness connectors are yellow and orange for easy identification.

When selling your vehicle, we request that you inform the buyer about the side airbag and curtain airbag systems and guide the buyer to the appropriate sections in this Owner’s Manual.

Supplemental Restraint System005

Driver’s side
Driver and front passenger supplemental knee airbags The knee airbag is located in the knee bolster, on the driver’s and front passenger’s side. All of the information, cautions, and warnings in this manual apply and must be followed. The knee air bag is designed to inflate in higher severity frontal collisions, although it may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. It may not inflate in certain collisions.

 

Supplemental Restraint System2008

Nissan ALTIMA 2023 Child safety and Child restraints User Guide 44

Front passenger airbag and status light

WARNING
The front passenger airbag and front passenger supplemental knee air bag are designed to automatically turn OFF under some conditions. Read this section carefully to learn how it operates. Proper use of the seat, seat belt, and child restraints is necessary for the most effective protection. Failure to follow all instructions in this manual concerning the use of seats, seat belts, and child restraints can increase the risk or severity of injury in an accident.

Status light
The front passenger seat is equipped with an occupant classification sensor (weight sensor) that turns the front passenger airbag and front passenger supplemental knee air bag on or off depending on the weight applied to the front passenger seat. The status of the front passenger air bag and front passenger supplemental knee air bag (ON or OFF) is indicated by the front passenger air bag status light which is located on the instrument panel. After the ignition switch is placed in the “ON” position, the front passenger air bag status light on the instrument panel illuminates for about 7 seconds and then turns off or remains illuminated depending on the front passenger seat occupied status. The light operates as follows:

CONDITION DESCRIPTION PASSENGER AIRBAG STATUS LIGHT (  ) FRONT PASSENGER AIRBAG AND FRONT PASSENGER SUPPLEMENTAL KNEE AIR BAG STATUS
Empty Empty front passenger seat ON (illuminated) INHIBITED
Nobody/Somebody Bag or Child or Child Restraint or Small Adult in the front passenger seat ON (illuminated) INHIBITED
Adult Adult in the front passenger seat OFF (dark) ACTIVATED

In addition to the above, certain objects placed on the front passenger seat may also cause the light to operate as described above depending on their weight.

Front passenger airbag
The front passenger airbag and front passenger supplemental knee air bag are designed to automatically turn OFF when the vehicle is operated under some conditions as described below in accordance with U.S. regulations. If the front passenger airbag and front passenger supplemental knee airbag are OFF, it will not inflate in a crash. The driver airbag and other airbags in your vehicle are not part of this system.
The purpose of the regulation is to help reduce the risk of injury or death from an inflating airbag to certain front passenger seat occupants, such as children, by requiring the airbags to be automatically turned OFF. Certain sensors are used to meet the requirements. The occupant classification sensor in this vehicle is a weight sensor. It is designed to detect an occupant and objects on the seat by weight. For example, if a child is in the front passenger seat, the NISSAN Advanced Air Bag System is designed to turn the front passenger airbag and front passenger supplemental knee air bag OFF in accordance with the regulations. Also, if a child restraint of the type specified in the regulations is on the seat, its weight and the child’s weight can be detected and cause the airbag to turn OFF. Front passenger seat adult occupants who are properly seated and using the seat belt as outlined in this manual should not cause the front passenger airbag and front passenger supplemental knee air bag to be automatically turned OFF. For small adults it may be turned OFF, however, if the occupant takes his/her weight off the seat cushion (for example, by not sitting upright, by sitting on the edge of the seat, or by otherwise being out of position), this could cause the sensor to turn the airbags OFF. Always be sure to be seated and wearing the seat belt properly for the most effective protection by the seat belt and supplemental air bag. NISSAN recommends that pre-teens and children be properly restrained in a rear seat. NISSAN also recommends that appropriate child restraints and booster seats be properly installed in the rear seat. If this is not possible, the occupant classification sensor is designed to operate as described above to turn the front passenger airbag and front passenger supplemental knee airbag OFF for specified child restraints as required by the regulations. Failing to properly secure child restraints and to use the ALR mode may allow the restraint to tip or move in a collision or sudden stop. This can also result in the passenger airbag and front passenger supplemental knee airbag inflating in a crash instead of being OFF. If the front passenger seat is not occupied, the front passenger airbag and front passenger supplemental knee airbag are designed not to inflate in a crash. However, heavy objects placed on the seat could result in air bag inflation, because of the object’s weight detected by the occupant classification sensor. Other conditions could also result in air bag inflation, such as if a child is standing on the seat, or if two children are on the seat, contrary to the instructions in this manual. Always be sure that you and all vehicle occupants are seated and restrained properly. Using the front passenger air bag status light, you can monitor when the front passenger air bag and front passenger supplemental knee airbag are automatically turned OFF. If an adult occupant is in the seat but the front passenger airbag status light is illuminated (indicating that the front passenger airbag and front passenger supple-mental knee airbag are OFF), it could be that the person is a small adult, or is not sitting on the seat properly or not using the seat belt properly. If a child restraint must be used in the front seat, the front passenger air bag status light may or may not be illuminated, depending on the size of the child and the type of child restraint being used. If the airbag status light is not illuminated (indicating that the airbag might inflate in a crash), it could be that the child restraint or seat belt is not being used properly. Make sure that the child restraint is installed properly, the seat belt is used properly and the occupant is positioned properly. If the airbag status light is still not illuminated, reposition the occupant or child restraint in a rear seat. If the front passenger air bag status light will not illuminate even though you believe that the child restraint, the seat belts, and the occupant are properly positioned, it is recommended that you take your vehicle to a NISSAN dealer. A NISSAN dealer can check system status by using a special tool. However, until you have confirmed with a dealer that your airbag is working properly, reposition the occupant or child restraint in a rear seat. The NISSAN Advanced Air Bag System and front passenger air bag status light will take a few seconds to register a change in the front passenger seat status. This is a normal system operation and does not indicate a malfunction. If a malfunction occurs in the front passenger airbag system, the supplemental airbag warning light, located in the meter and gauges area of the instrument panel, will be illuminated (blinking or steadily lit). Has the system checked? It is recommended that you visit a NISSAN dealer for this service.

Normal operation. In order for the occupant classification sensor system to classify the front passenger based on weight, please follow the precautions and steps outlined below:

Precautions

  • Make sure that there are no objects weighing over 9.1 lbs. (4 kg) hanging on the seat or placed in the seatback pocket.
  • Make sure that a child restraint or other object is not pressing against the rear of the seatback.
  • Make sure that a rear passenger is not pushing or pulling on the back of the front passenger seat.
  • Make sure that the front passenger seat or seatback is not forced back against an object on the seat or floor behind it.
  • Make sure that there is no object placed under the front passenger seat.

Steps

  1. Adjust the seat as outlined in the “Seats” section of this manual. Sit upright, leaning against the seatback, and centered on the seat cushion with your feet comfortably extended to the floor.
  2.  Make sure there are no objects on your lap.
  3.  Fasten the seat belt as outlined in the “Seat belts” section of this manual. Front passenger seat belt buckle status is monitored by the occupant classification system and is used as an input to determine occupancy status. So, it is highly recommended that the front passenger fasten their seat belt.
  4. y the front passenger before the vehicle is put into motion.
  5. Ensure proper classification by checking the front passenger airbag status light
  6. Remain in this position for 30 seconds allowing the system to classify.

NOTE:
This vehicle’s occupant classification sensor system generally keeps the classification locked during driving, so it is important that you confirm that the front passenger is properly classified prior to driving. However, the occupant classification sensor may recalculate the weight of the occupant under some conditions (both while driving and when stopped), so front passenger seat occupants should continue to remain seated as outlined above.

Troubleshooting
If you think the front passenger airbag status light is incorrect:

  1. If the light is ON with an adult occupying the front passenger seat:
    • The occupant is a small adult — the airbag light is functioning as intended. The front passenger airbag and front passenger supplemental knee airbag are suppressed.

However, if the occupant is not a small adult, then this may be due to the following conditions that may be interfering with the weight sensors:

  • The occupant is not sitting upright, leaning against the seatback, and centered on the seat cushion with his/her feet comfortably extended to the floor.
  • A child restraint or other object pressing against the rear of the seatback.
  • A rear passenger pushing or pulling on the back of the front passenger seat.
  • Forcing the front seat or seatback against an object on the seat or floor behind it.
  • An object was placed under the front passenger seat.
  • An object placed between the seat cushion and center console or between the seat cushion and the door.

If the vehicle is moving, please come to a stop when it is safe to do so. Check and correct any of the above conditions. Re-start the vehicle and wait 1 minute.

NOTE:
A system check will be performed during which the front passenger air bag status light will remain lit for about 7 seconds initially.
If the light is still ON after this, the person should be advised not to ride in the front passenger seat and the vehicle should be checked as soon as possible. It is recommended that you visit a NISSAN dealer for this service.

If the light is OFF with a small adult, child or child restraint occupying the front passenger seat.
This may be due to the following conditions that may be interfering with the weight sensors:

  • A small adult or child is not sitting upright, leaning against the seatback, and centered on the seat cushion with his/her feet comfortably extended to the floor.
  • The child restraint is not properly installed, as outlined in the “Child restraints” section of this manual.
  • An object weighing over 9.1 lbs. (4 kg) hanging on the seat or placed in the seat-back pocket.
  • A child restraint or other object pressing against the rear of the seatback.
  • A rear passenger pushing or pulling on the back of the front passenger seat.
  • Forcing the front seat or seatback against an object on the seat or floor behind it.
  • An object was placed under the front passenger seat.
  • An object is placed between the seat cushion and the center console.

If the vehicle is moving, please come to a stop when it is safe to do so. Check and correct any of the above conditions. Re-start the vehicle and wait 1 minute.

NOTE:
A system check will be performed during which the front passenger air bag status light will remain lit for about 7 seconds initially. If the light is still OFF after this, the small adult, child or child restraint should be re-positioned in the rear seat and the vehicle should be checked as soon as possible. It is recommended that you visit a NISSAN dealer for this service If the light is OFF with no front passenger and no objects on the front passenger seat, the vehicle should be checked. It is recommended that you visit a NISSAN dealer as soon as possible. Other supplemental front-impact airbag precautions

WARNING
Do not place any objects on the steering wheel pad or on the instrument panel. Also, do not place any objects between any occupant and the steering wheel or instrument panel. Such objects may become dangerous projectiles and cause injury if the front airbags inflate. Immediately after inflation, several front airbag system components will be hot. Do not touch them; you may severely burn yourself. No unauthorized changes should be made to any components or wiring of the supplemental air bag system. This is to prevent accidental inflation of the supplemental air bag or dam-age to the supplemental air bag system. Do not make unauthorized changes to your vehicle’s electrical system, suspension system or front-end structure. This could affect the proper operation of the front airbag system. Tampering with the front airbag system may result in serious personal injury. Tampering includes changes to the steering wheel and the instrument panel assembly by placing material over the steering wheel pad and above the instrument panel or by installing additional trim material around the airbag system. Removing or modifying the front passenger seat may affect the function of the airbag system and result in serious personal injury. Modifying or tampering with the front passenger seat may result in serious personal injury. For example, do not change the front seats by placing material on the seat cushion or by installing additional trim material, such as seat covers, on the seat that are not specifically designed to assure proper air bag operation. Additionally, do not stow any objects under the front passenger seat or the seat cushion and seatback. Such objects may interfere with the proper operation of the occupant classification sensor (weight sensor). No unauthorized changes should be made to any components or wiring of the seat belt system. This may affect the front airbag system. Tampering with the seat belt system may result in serious personal injury. *The SRS wiring harness connectors are yellow and orange for easy identification. When selling your vehicle, we request that you inform the buyer about the front airbag system and guide the buyer to the appropriate sections in this Owner’s Manual.

Supplemental Restraint System006

Front passenger’s side
Vehicle damage (or lack of it) is not always an indication of proper knee airbag operation. When the knee airbag inflates, a fairly loud noise may be heard, followed by a release of smoke. This smoke is not harmful and does not indicate a fire. Care should be taken not to inhale it, as it may cause irritation and choking. Those with a history of breathing conditions should get fresh air promptly. The knee airbag helps to cushion the impact force on the knees of the driver and passenger. It can help reduce serious injuries. However, an inflating knee airbag may cause abrasions or other injuries. The knee airbag provides restraint to the lower body. The knee airbag inflates quickly in order to help protect the occupants. Because of this, the force of the knee air bag inflating can increase the risk of injury if the occupant is too close to, or is against, this airbag module during inflation. The knee airbag will deflate quickly after the collision is over OR the knee air bag will remain inflated for a short time. The knee airbag operates only when the ignition switch is placed in the ON position. After placing the ignition switch in the ON position, the supplemental air bag warning light illuminates. The supplemental air bag warning light will turn off after about 7 seconds if the system is operational.

WARNING
Do not place any objects between the knee bolster and the driver’s or passenger’s seat. Such objects may become dangerous projectiles and cause injury if a knee airbag inflates. Right after inflation, the knee airbag system components will be hot. Do not touch them; you may severely burn yourself. No unauthorized changes should be made to any components or wiring of the knee airbag system. This is to prevent damage to or accidental inflation of the knee airbag system.Do not make unauthorized changes to your vehicle’s electrical system or suspension system. This could affect the proper operation of the knee airbag system. Tampering with the knee airbag system may result in serious personal injury. For example, do not change the driver or passenger knee bolster or install additional trim material around the knee airbag. Do not make unauthorized changes to your vehicle’s electrical system, suspension system or side panel. This could affect the proper operation of the side airbag and curtain airbag systems. Tampering with the side airbag system may result in serious personal injury. For example, do not change the front and rear seats by placing material near the seatbacks or by installing additional trim material, such as seat covers, around the side airbag. It is recommended that you visit a NISSAN dealer for work on and around the side airbag and curtain airbag. It is also recommended that you visit a NISSAN dealer for installation of electrical equipment. The SRS wiring harnesses* should not be modified or disconnected. Unauthorized electrical test equipment and probing devices should not be used on the side airbag or curtain airbag system. The SRS wiring harness connectors are yellow and orange for easy identification.

When selling your vehicle, we request that you inform the buyer about the side airbag and curtain airbag systems and guide the buyer to the appropriate sections in this Owner’s Manual.

Supplemental Restraint System007

Driver’s side

Driver and front passenger supplemental knee airbags
The knee airbag is located in the knee bolster, on the driver’s and front passenger’s side. All of the information, cautions and warnings in this manual apply and must be followed. The knee airbag is designed to inflate in higher severity frontal collisions, although it may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. It may not inflate in certain collisions.

Supplemental Restraint System008

Front passenger’s side

Vehicle damage (or lack of it) is not always an indication of proper knee airbag operation.
When the knee airbag inflates, a fairly loud noise may be heard, followed by a release of smoke. This smoke is not harmful and does not indicate a fire. Care should be taken not to inhale it, as it may cause irritation and choking. Those with a history of breathing conditions should get fresh air promptly.

The knee airbag helps to cushion the impact force on the knees of the driver and passenger. It can help reduce serious injuries. However, an inflating knee airbag may cause abrasions or other injuries. The knee airbag provides restraint to the lower body.
The knee airbag inflates quickly in order to help protect the occupants. Because of this, the force of the knee airbag inflating can increase the risk of injury if the occupant is too close to, or is against, this airbag module during inflation. The knee airbag will deflate quickly after the collision is over OR the knee airbag will remain inflated for a short time.
The knee airbag operates only when the ignition switch is placed in the ON position.
After placing the ignition switch in the ON position, the supplemental air bag warning light illuminates. The supplemental air bag warning light will turn off after about 7 seconds if the system is operational.

WARNING

  • Do not place any objects between the knee bolster and the driver’s or passenger’s seat. Such objects may become dangerous projectiles and cause injury if a knee airbag inflates.
  • Right after inflation, the knee airbag system components will be hot. Do not touch them; you may severely burn yourself.
  • No unauthorized changes should be made to any components or wiring of the knee airbag system. This is to prevent damage to or accidental inflation of the knee airbag system.
  • Do not make unauthorized changes to your vehicle’s electrical system or suspension system. This could affect the proper operation of the knee airbag system.
  • Tampering with the knee airbag system may result in serious personal injury. For example, do not change the driver or passenger knee bolster or install additional trim material around the knee airbag.
  • It is recommended that you visit a NISSAN dealer for work on and around the knee airbag. It is also recommended that you visit a NISSAN dealer for installation of electrical equipment. The SRS wiring harnesses* should not be modified or disconnected. Unauthorized electrical test equipment and probing devices should not be used on the knee airbag system.

*The SRS wiring harness or connectors are yellow or orange for easy identification.
When selling your vehicle, we request that you inform the buyer about the knee airbag system and guide the buyer to the appropriate sections in this manual.

Seat belt with pre-tensioner(s)(front and rear outboard seats)

WARNING
The pre-tensioner (s) cannot be re-used after activation. They must be replaced together with the retractor and buckle as a unit. If the vehicle becomes involved in a collision but the pretensioner(s) are not activated, be sure to have the pretensioner system checked and, if necessary, replaced. It is recommended that you visit a NISSAN dealer for this service. No unauthorized changes should be made to any components or wiring of the pre-tensioner system. This is to prevent damage to or accidental activation of the pretensioner(s). Tampering with the pretensioner system may result in serious personal injury. It is recommended that you visit a NISSAN dealer for work on and around the pretensioner system. It is also recommended that you visit a NISSAN dealer for installation of electrical equipment. Unauthorized electrical test equipment and probing devices should not be used on the pretensioner system. If you need to dispose of the pretensioner(s) or scrap the vehicle, it is recommended that you visit a NISSAN dealer for this service. Incorrect disposal procedures could cause personal injury. The pre-tensioner system may activate with the supplemental air bag system in certain types of collisions. Working with the seat belt retractor, the pretensioner(s) help tighten the seat belt when the vehicle becomes involved in certain types of collisions, helping to restrain front and rear outboard seat occupants. The pre-tensioner (s) are encased within the seat belt retractor and to the seat belt anchor affixed to the floor of the vehicle. These seat belts are used the same way as conventional seat belts. When pretensioner(s) activate, smoke is released and a loud noise may be heard. This smoke is not harmful and does not indicate a fire. Care should be taken not to inhale it, as it may cause irritation and choking. Those with a history of breathing conditions should get fresh air promptly. After the pretensioner(s’) activation, load limiters allow the seat belt to release webbing (if necessary) to reduce forces against the chest. The supplemental air bag warning light is used to indicate malfunctions in the pretensioner system. If the operation of the supplemental air bag warning light indicates there is a malfunction, have the system checked. It is recommended that you visit a NISSAN dealer for this service. When selling your vehicle, we request that you inform the buyer about the pretensioner system and guide the buyer to the appropriate sections in this Owner’s Manual.

Supplemental Restraint System009

  1. SRS airbag warning labels (located on the sun visors)

SUPPLEMENTAL AIR BAG WARNING LABELS
Warning labels about the supplemental front-impact air bag system are placed in the vehicle as shown in the illustration.

WARNING
Do not use a rear-facing child restraint on a seat protected by an airbag in front of it. If the airbag deploys, it may cause serious injury or death.

Supplemental Restraint System2009

SUPPLEMENTAL AIR BAG WARNING LIGHT
The supplemental airbag warning light, displayed in the instrument panel, monitors the circuits for the airbag systems, pretensioner(s), and all related wiring. When the ignition switch is placed in the ON position, the supplemental air bag warning light illuminates for about 7 seconds and then turns off. This means the system is operational.

If any of the following conditions occur, the front airbag, side airbag, curtain airbag, knee airbag, and pre-tensioner systems need servicing:

  • The supplemental air bag warning light remains on after approximately 7 seconds.
  • The supplemental air bag warning light flashes intermittently.
  • The supplemental air bag warning light does not come on at all.

Under these conditions, the front airbags, side airbags, curtain airbags, knee airbags, or pretension systems may not operate properly. They must be checked and repaired. It is recommended that you visit a NISSAN dealer for this service.

WARNING
If the supplemental airbag warning light is on, it could mean that the front airbags, side airbags, curtain airbags, knee airbags, and/or pretensioner systems will not operate in an accident. To help avoid injury to yourself or others, have your vehicle checked as soon as possible. It is recommended that you visit a NISSAN dealer for this service.

Repair and replacement procedure
The front airbags, side airbags, curtain airbags, knee airbags, and pretensioner(s) are designed to inflate on a one-time-only basis. As a reminder, unless it is damaged, the supplemental air bag warning light remains illuminated after inflation has occurred. These systems should be repaired and/or replaced as soon as possible. It is recommended that you visit a NISSAN dealer for this service. When maintenance work is required on the vehicle, the front airbags, side airbags, curtain airbags, knee airbags, pre-tensioner (s), and related parts should be pointed out to the person performing the maintenance. The ignition switch should always be placed in the LOCK position when working under the hood or inside the vehicle.

WARNING
Once a front airbag, side airbag, curtain airbag, or knee airbag has inflated, the airbag module will not function again and must be replaced. Additionally, the activated protein signer (s) must also be replaced. The airbag module and pre-tensioner (s) should be replaced. It is recom-mended that you visit a NISSAN dealer for this service. However, the airbag module and pre-tensioner (s) cannot be repaired. The front airbag, side airbag, curtain airbag, knee airbag systems, and pretensioner system should be inspected if there is any damage to the front end or side portion of the vehicle. It is recommended that you visit a NISSAN dealer for this service. If you need to dispose of the supplemental air bag or pretensioner systems or scrap the vehicle, it is recommended that you contact a NISSAN dealer for this service. Incorrect disposal procedures could cause personal injury. If there is an impact on your vehicle from any direction, your Occupant Classification Sensor (OCS) should be checked to verify it is still functioning correctly. It is recommended that you visit a NISSAN dealer for this service. The OCS should be checked even if no airbags are deployed as a result of the impact. Failure to verify proper OCS function may result in an improper airbag deployment resulting in in-jury or death.

FAQ

What is the Supplemental Restraint System (SRS) in the 2023 Nissan Altima?

The SRS in the Altima is a safety system that includes airbags and other safety features designed to provide additional protection to vehicle occupants in the event of a collision.

How many airbags are typically included in the SRS of the Altima?

The Altima’s SRS typically includes multiple airbags, such as front, side, and curtain airbags, designed to deploy in various collision scenarios.

When does the SRS in the Altima activate?

The SRS typically activates during a collision when the vehicle’s sensors detect the appropriate conditions, deploying airbags to help protect occupants.

How do airbags in the Altima deploy, and what triggers their deployment?

Airbags in the Altima typically deploy when the vehicle’s sensors detect a collision force or deceleration that meets the criteria for airbag deployment.

Are there different types of airbags in the Altima, and what areas do they cover?

The Altima may include different types of airbags, such as frontal airbags for the front seats and side curtain airbags that cover the side windows to protect against side impacts.

How do airbags contribute to passenger safety in the Altima?

Airbags in the Altima are designed to reduce the risk of injury to vehicle occupants by providing a cushioning effect during a collision, helping to minimize contact with the vehicle’s interior.

Are there any special considerations for child safety seats in vehicles equipped with airbags?

Child safety seats should typically be placed in the rear seat to avoid the potential danger posed by deploying front airbags. Always follow the manufacturer’s instructions and guidelines for child safety seat placement.

Can the airbags in the Altima be deactivated, and if so, under what circumstances?

Some vehicles offer the option to deactivate airbags for specific seats, such as the front passenger seat, to accommodate child safety seats. Refer to the owner’s manual for guidance on airbag deactivation.

How can I deactivate the front passenger airbag in the Altima when using a child safety seat?

Deactivating the front passenger airbag typically involves using a key or switch provided by the vehicle manufacturer, as outlined in the owner’s manual.

Are there maintenance requirements for the airbags in the Altima?

Airbags typically do not require routine maintenance. However, it’s crucial to ensure that any warning lights related to the SRS are promptly addressed by a qualified technician.

What should I do if the SRS warning light illuminates in the Altima?

If the SRS warning light comes on, it’s essential to have the vehicle inspected by a qualified technician to diagnose and address any potential issues with the SRS.

How do the airbags and SRS in the Altima contribute to the vehicle’s safety ratings?

Airbags and the SRS are essential components of the vehicle’s overall safety system and play a significant role in achieving high safety ratings.

Do airbags in the Altima deploy in all types of collisions, including minor accidents?

Airbags are typically designed to deploy in moderate to severe collisions, and they may not deploy in minor accidents or low-speed impacts.

Are there any safety precautions or guidelines for properly using the SRS in the Altima?

Properly using the SRS involves following recommended seating positions, using seat belts, and avoiding modifications to the vehicle that could affect airbag operation.

Can SRS components be serviced or repaired, or should they be replaced after deployment?

SRS components should typically be replaced after deployment, and any service or repair should be performed by qualified technicians to ensure proper functioning.

Useful  Link

View Full User Guide: Nissan ALTIMA 2023 User Guide
Download Manuals: https://www.nissanusa.com/owners/ownership/manuals-guides.html
2023 Nissan Altima Specs, Price, Features and Mileage (Brochure)

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