Mazda 3 Sedan 2023 Climate Control System User Manual

Introduction

The Mazda 3 Sedan 2023 is equipped with a sophisticated and cutting-edge climate control system that is intended to offer the utmost comfort and convenience for the driver and passengers. Mazda has always been dedicated to providing drivers with a great driving experience, and this dedication extends to how the climate control system is built and operates in their cars. The Mazda 3 Sedan 2023 temperature control system’s sophisticated and simple design is one of its most notable features. Advanced sensors and algorithms are used by the system to monitor and alter the cabin temperature depending on a number of variables, including the outside weather, the inside temperature, and personal preferences.

The climate control system is made with an intuitive interface that makes it simple to access and change different settings. The dashboard has a sleek and contemporary appearance, and the temperature, fan speed, and airflow direction settings are conveniently located. Additionally, the system has autonomous climate management capabilities that enable users pick the temperature they want and have the system maintain it on their behalf.

Operating Tips

1. Operate the climate control system with the engine running.
2. To prevent the battery from being discharged, do not leave the fan control switch on for a long period of time with the ignition switched ON when the engine is not running.
3. (With i-stop)
   The airflow amount may decrease slightly while the i-stop function is operating.
4. Clear all obstructions such as leaves, snow and ice from the hood and the air inlet in the cowl grille to improve the system efficiency.
5. Use the climate control system to defog the windows and dehumidify the air.
6. The recirculate mode should be used when driving through tunnels or while in a traffic jam, or when you would like to shut off outside air for quick cooling of the interior.
7. Use the outside air position for ventilation or windshield defrosting.
8. If the vehicle has been parked in direct sunlight during hot weather, open the windows to let warm air escape, then run the climate control system.
9. Run the air conditioner about 10 minutes at least once a month to keep internal parts lubricated.
10. Have the air conditioner checked before the weather gets hot. Lack of refrigerant may make the air conditioner less efficient.
    The refrigerant specifications are indicated on a label attached to the inside of the engine compartment. If the wrong type of refrigerant is used, it could result in a serious malfunction of the air conditioner. Consult a professional, government certified repairer for the inspection or repair because a special device is required for the air conditioner maintenance.
    For details, consult an Authorized Mazda Dealer.

Vent Operation

Adjusting the Vents

Directing airflow
To adjust the direction of airflow, move the adjustment knob.

NOTE

1. When using the air conditioner under humid ambient temperature conditions, the system may blow fog from the vents. This is not a sign of trouble but a result of humid air being suddenly cooled.
2. The air vents can be fully opened and closed by operating the knob.

Driver’s Side Vents
Air vent open/close

1. Knob
2. Open
3. Close

NOTE
The figure indicates the air vent on the left side of the instrument cluster. The operation direction for the air vent on the right side of the instrument cluster is symmetrical with the air vent on the left side.

Airflow direction adjustment

Knob

Passenger’s Side Vents
Air vent open/close

1. Knob
2. Open
3. Close

Airflow direction adjustment

Knob

Selecting the Airflow Mode

Dashboard Vents

Dashboard and Floor Vents

Floor Vents

Defroster and Floor Vents

Defroster Vents

NOTE
The location airflow exits the air vents and the airflow amount may change depending on the open or close status of the air vents.

Manual Type

1. A/C switch
2. Mode selector switch
3. Air intake selector switch
4. Fan control dial
5. Rear window defogger switch
6. Windshield defroster switch
7. Temperature control dial

Control Switches

Temperature control dial
This dial controls temperature. Turn it clockwise for hot and counterclockwise for cold.

MAX A/C
Fully turn the temperature control dial counterclockwise for MAX A/C (maximum cooling).

NOTE
When the mode is set to or with the fan control dial in a position other than 0 and the temperature control dial in the MAX A/C position, the air intake selector switches to the recirculated air position and the A/C turns on automatically. If A/C is not desired, press the A/C switch to turn it off.

Fan control dial
This dial allows variable fan speeds. The fan has seven speeds.

Mode selector switches
The desired airflow mode can be selected.

A/C switch
Press the A/C switch to turn the air conditioner on. The indicator light on the switch will illuminate when the fan control dial is in any position except OFF.
Press the switch once again to turn the air conditioner off.

NOTE
The air conditioner may not function when the outside temperature approaches 0 °C (32 °F).

Air intake selector switch
This switch controls the source of air entering the vehicle.
Outside or recirculated air positions can be selected. Press the switch to select outside/recirculated air positions.
Recirculated air position (indicator light illuminated)
The outside air is shut off. The air within the vehicle is recirculated. Use this position when going through tunnels, driving in congested traffic (high engine exhaust areas), or when quick cooling is desired.
Outside air position (indicator light turned off)
Outside air is allowed to enter the cabin. Use this position for ventilation or windshield defrosting.

WARNING
Do not use the position (indicator light turns on) in cold or rainy weather:
Using the  position (indicator light turns on) in cold or rainy weather is dangerous as it will cause the windows to fog up. Your vision will be hampered, which could lead to a serious accident.

NOTE

1. The recirculated air position is the default position whenever the ignition is switched ON, the climate control system is on, and the outside temperature exceeds about 73°F (23℃).
2. To exit the default recirculated air position, press the air intake selector switch to select the outside air position.
3. When the air intake selector switch is set to the outside air position and the outside temperature exceeds about 73°F (23℃), the climate control system may automatically select the recirculated air position to improve the efficiency of the climate control system.

Windshield defroster switch
Press the switch to defrost the windshield and front door windows. Refer to Windshield Defrosting and Defogging.

Rear window defogger switch
Press the rear window defogger switch to defrost the rear window.

Heating

1. Press the  switch.
2. Set the air intake selector to the outside air position (indicator light turns off).
3. Set the temperature control dial to the hot position.
4. Set the fan control dial to the desired speed.
5. If dehumidified heating is desired, turn on the air conditioner.

NOTE

1. If the windshield fogs up easily, press the switch.
2. If cooler air is desired at face level, press the    switch and adjust the temperature control dial to maintain maximum comfort.
3. The air to the floor is warmer than air to the face (except when the temperature control dial is set at the extreme hot or cold position).

Cooling

1. Press the switch.
2. Set the temperature control dial to the cold position.
3. Set the fan control dial to the desired speed.
4. Turn on the air conditioner by pressing the A/C switch.
5. After cooling begins, adjust the fan control dial and temperature control dial as needed to maintain maximum comfort.

CAUTION
If the air conditioner is used while driving up long hills or in heavy traffic, monitor the high engine coolant temperature warning indication to see if it is displayed.
The air conditioner may cause engine overheating. If the warning indication is displayed, turn the air conditioner off.

NOTE

1. When maximum cooling is desired, set the temperature control dial to the extreme cold position and set the air intake selector to the recirculated air position, then turn the fan control dial fully clockwise.
2. If warmer air is desired at floor level, press the  switch and adjust the temperature control dial to maintain maximum comfort.
3. The air to the floor is warmer than air to the face (except when the temperature control dial is set at the extreme hot or cold position).

Ventilation

1. Press theswitch.
2. Set the air intake selector to the outside air position (indicator light turns off).
3. Set the temperature control dial to the desired position.
4. Set the fan control dial to the desired speed.

Windshield Defrosting and Defogging

1. Press the  switch.
2. Set the temperature control dial to the desired position.
3. Set the fan control dial to the desired speed.
4. If dehumidified heating is desired, turn on the air conditioner.

WARNING
Do not defog the windshield using the switch with the temperature control set to the cold position:
Using the switch with the temperature control set to the cold position is dangerous as it will cause the outside of the windshield to fog up. Your vision will be hampered, which could lead to a serious accident. Set the temperature control to the hot or warm position when using theswitch.

NOTE

1. Fogging on the windows clears up more easily while the air conditioner is on, but they will fog up more easily if the air conditioner is turned off.
2. Be careful that the windows do not fog up when doing any of the following:
3. Switching to recirculate mode
4. Turning off the air conditioner
5. For maximum defrosting, turn on the air conditioner, set the temperature control dial to the extreme hot position, and turn the fan control dial fully clockwise.
6. If warm air is desired at the floor, press the  switch.
7. With the  or  switch, the air or conditioner is automatically turned on and the outside air position is automatically selected to defrost the windshield. In the  switch, the outside air position cannot be changed to the recirculated air position.

Dehumidifying
Operate the air conditioner in cool or cold weather to help defog the windshield and side windows.

1. Press the desired mode switch you want to set.
2. Set the air intake selector to the outside air position (indicator light turns off).
3. Set the temperature control dial to the desired position.
4. Set the fan control dial to the desired speed.
5. Turn on the air conditioner by pressing the A/C switch.

NOTE
One of the functions of the air conditioner is dehumidifying the air and, to use this function, the temperature does not have to be set to cold. Therefore, set the temperature control dial to the desired position (hot or cold) and turn on the air conditioner when you want to dehumidify the cabin air.

Fully Automatic Type

Climate control system information is displayed on the display.

1. Driver temperature control dial
2. AUTO switch
3. Temperature setting display (driver’s side)
4. Air intake display
5. Airflow display
6. Mode selector display
7. Temperature setting display (passenger’s side)
8. SYNC (synchronized temperature) switch
9. Passenger temperature control dial
10. A/C switch
11. Rear window defogger switch
12. Mode selector switch
13. Fan control switch
14. Air intake selector switch
15. Windshield defroster switch
16. Power switch

Control Switches

AUTO switch
By pressing the AUTO switch the following functions will be automatically controlled in accordance with the selected set temperature:

1. Airflow temperature
2. Amount of airflow
3. Selection of airflow mode
4. Outside/Recirculated air selection
5. Air conditioner operation
6. Seat warmer level selection*
7. Heated steering wheel operation*

NOTE
AUTO switch indicator light

1. When the AUTO switch indicator light is on, it indicates auto operation and the system will function automatically.
2. If any of the following switches are operated while in auto control, the AUTO switch indicator turns off.
3. Mode selector switch
4. Fan control switch
5. Windshield defroster switch The functions for switches other than those operated continue to operate in auto control.

Power switch (System On/Off)
The climate control system turns on or off by pressing the power switch.

Temperature control dial
This dial controls temperature. Turn it clockwise for hot and counterclockwise for cold.
Turn the temperature control dial to adjust the temperature between 15 °C (60 °F) and 29 °C (84 °F).

1. When the SYNC switch is on:
   Turn the driver temperature control dial to control the temperature throughout the entire cabin.
2. When the SYNC switch is off:
   Turn the driver or front passenger temperature control dial to independently control the temperature on each side of the cabin.

NOTE

1. The climate control system changes to the individual operation mode (SYNC switch indicator light turns off) by turning the front passenger temperature control dial even when the SYNC switch is on, which allows individual control of the set temperature for the driver and front passenger.
2. When you set the temperature to the lower or upper limit, “Lo” or “Hi” is displayed.
3. The temperature units for the temperature setting display can be changed in conjunction with the temperature units for the outside temperature display.

Fan control switch
The fan has 7 speeds. The selected speed will be displayed.
Mode selector switch
The desired airflow mode can be selected.

NOTE

1. With the airflow mode set to the  position and the temperature control dial set at a medium temperature, heated air is directed to the feet and air at a comparably lower temperature will flow through the central, left and right vents.
2. To set the air vent to , press the windshield defroster switch.
3. In the  position, the outside air position is automatically selected.

A/C switch
Pressing the A/C switch while the AUTO switch is turned on will turn off the air conditioner (cooling/dehumidifying functions).
The on/off of the air conditioner switches each time the A/C switch is pressed.

NOTE

1. The air conditioner operates when the A/C switch is pressed while the air conditioner is turned off.
2. The air conditioner may not function when the outside temperature approaches 0 °C (32 °F).

Air intake selector switch
Outside or recirculated air positions can be selected. Press the switch to select outside/recirculated air positions.

Recirculated air position
Outside air is shut off. Air within the vehicle is recirculated. Use this position when going through tunnels, driving in congested traffic (high engine exhaust areas), or when quick cooling is desired.

Outside air position
Outside air is allowed to enter the cabin. Use this position for ventilation or windshield defrosting.

WARNING
Do not recirculate the air in the cabin during cold or rainy weather: Recirculating the air in the cabin during cold and rainy weather is dangerous as it will cause the windows to fog up. Your vision will be hampered, which could lead to a serious accident.

NOTE

1. The recirculated air position is the default position whenever the ignition is switched ON, the climate control system is on, and the outside temperature exceeds about 73°F
   (23℃).
2. To exit the default recirculated air position, press the air intake selector switch to select the outside air position.
3. When the air intake selector switch is set to the outside air position and the outside temperature exceeds about 73°F (23℃), the climate control system may automatically select the recirculated air position to improve the efficiency of the climate control system.

SYNC (Synchronized Temperature) switch
Use the SYNC switch to change the mode between the individual operation (driver and passenger) and interconnection (simultaneous) modes.

Interconnection mode (indicator light turns on)
The set temperature for the driver and front passenger is controlled simultaneously.

Individual operation mode (indicator light turns off)
The set temperature can be controlled individually for the driver and front passenger.

Windshield defroster switch
Press the switch to defrost the windshield and front door windows.

Rear window defogger switch
Press the rear window defogger switch to defrost the rear window.

Operation of Automatic Air Conditioner

1. Press the AUTO switch. Selection of the airflow mode, air intake selector and amount of airflow will be automatically controlled.
2. Use the temperature control dial to select a desired temperature.
   If you want to set the temperature on the front passenger’s side separately from the driver’s side, turn the front passenger temperature control dial to switch the mode automatically to the individual operation mode and set the temperature for the front passenger’s side.

To turn off the system, press the power switch.

NOTE

1. Set the control dial to the recommended temperature of 22 °C (72 °F), and then adjust it as desired.
2. Setting the temperature to maximum hot or cold will not provide the desired temperature at a faster rate.
3. When selecting heat, the system will restrict airflow until the engine has warmed to prevent cold air from blowing out of the vents.

Windshield Defrosting and Defogging
Press the windshield defroster switch. In this position, the outside air position is automatically selected, and the air conditioner automatically turns on. The air conditioner will directly dehumidify the air to the front windshield and side windows. Airflow amount will be increased.

WARNING
Set the temperature control to the hot or warm position when defogging (  position):
Using the position with the temperature control set to the cold position is dangerous as it will cause the outside of the windshield to fog up. Your vision will be hampered, which could lead to a serious accident.

NOTE

1. Fogging on the windows clears up more easily while the air conditioner is on, but they will fog up more easily if the air conditioner is turned off.
2. Be careful that the windows do not fog up when doing any of the following:
3. Switching to recirculate mode
4. Turning off the air conditioner
5. Use the temperature control dial to increase the air flow temperature and defog the windshield more quickly.

Sunlight/Temperature Sensor
The climate control system measures inside and outside temperatures, humidity and sunlight using the sunlight/temperature sensor. It sets temperatures inside the cabin accordingly.

CAUTION
Do not obstruct both sensors, otherwise, the climate control system will not operate properly.

Sunlight sensor

Interior temperature sensor

Interior temperature sensor

FAQs

Useful Links

View Full User Guide: 2023 Mazda 3 Sedan User Manual | Auto User Guide
Download Link: Owner’s – Manuals, Guides, Maintenance Schedules | Mazda USA