Dashboard Symbols: Hyundai Sonata 2018 Warning Lights Guide

Dashboard Symbols: Hyundai Sonata 2018 Warning Lights Guide

Warning Lights for Hyundai Sonata 2018: Dashboard Symbols. It’s critical to comprehend the warning lights on the dashboard of your 2018 Hyundai Sonata in order to drive safely and do routine auto maintenance. These icons represent different problems or states of the system. Learn how to use these lights so that you can quickly handle any issues and guarantee the best possible performance from your car. Every symbol on the road, from tire pressure warnings to engine issues, provides crucial information that lets you drive safely. In order to maintain the safe and efficient operation of your Hyundai Sonata, let’s examine these warning lights.

WARNING AND INDICATOR LIGHTS

Warning Lights

Information
Make sure that all warning lights are OFF after starting the engine. If any light is still ON, this indicates a situation that needs attention.

Supplemental Restraint System Warning Light

This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 6 seconds and then goes off.
• When there is a malfunction with the SRS.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Seat Belt Warning Light
This warning light informs the driver that the seat belt is not fastened.
For more information, refer to the “Seat Belts” in chapter 

Parking Brake & Brake Fluid Warning Light
This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds.
  • It remains on if the parking brake is applied.
• When the parking brake is applied.
• When the brake fluid level in the reservoir is low.
  • If the warning light illuminates with the parking brake released, it indicates the brake fluid level in the reservoir is low.

If the brake fluid level in the reservoir is low:

1. Drive carefully to the nearest safe location and stop your vehicle.
2. With the engine stopped, check the brake fluid level immediately and add fluid as required (For more information, refer to “Brake Fluid” in chapter 7).Then check all brake components for fluid leaks. If any leak on the brake system is still found, the warning light remains on, or the brakes do not operate properly, do not drive the vehicle. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Dual-diagonal braking system
Your vehicle is equipped with dual-diagonal braking systems. This means you still have braking on two wheels even if one of the dual systems should fail.
With only one of the dual systems working, more than normal pedal travel and greater pedal pressure are required to stop the vehicle.
Also, the vehicle will not stop in as short a distance with only a portion of the brake system working.
If the brakes fail while you are driving, shift to a lower gear for additional engine braking and stop the vehicle as soon as it is safe to do so.

WARNING
Parking Brake & Brake Fluid Warning Light
Driving the vehicle with a warning light ON is dangerous. If the Parking Brake & Brake Fluid Warning Light illuminates with the parking brake released, it indicates that the brake fluid level is low.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Anti-lock Brake System (ABS) Warning Light
This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the ABS (The normal braking system will still be operational without the assistance of the anti-lock brake system).
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Electronic Brake-force Distribution (EBD) System Warning Light
These two warning lights illuminate at the same time while driving:
When the ABS and regular brake system may not work normally.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

WARNING
Electronic Brake-force Distribution (EBD) System Warning Light
When both ABS and Parking Brake & Brake Fluid Warning Lights are on, the brake system will not work normally and you may experience an unexpected and dangerous situation during sudden braking.
In this case, avoid high-speed driving and abrupt braking.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Information – Electronic Brake-force Distribution (EBD) System Warning Light
When the ABS Warning Light is on or both ABS and Parking Brake & Brake Fluid Warning Lights are on, the speedometer, odometer, or tripmeter may not work. Also, the EPS Warning Light may illuminate and the steering effort may increase or decrease.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Electric Power Steering (EPS) Warning Light 

This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It remains on until the engine is started.
• When there is a malfunction with the EPS.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Malfunction Indicator Lamp (MIL)
This warning light illuminates:

• Once you set the ignition switch or Engine Start/Stop button to the ON position.
  • It remains on until the engine is started.
• When there is a malfunction with the emission control system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

NOTICE

• Malfunction Indicator Lamp (MIL)
  Driving with the Malfunction Indicator Lamp (MIL) on may cause damage to the emission control systems which could affect drivability and/or fuel economy.

NOTICE
If the Malfunction Indicator Lamp (MIL) illuminates, potential catalytic converter damage is possible which could result in loss of engine power.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Charging System Warning Light
If this warning light comes on while the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use electrically operated controls, such as the power windows. Keep the engine running; starting the engine will quickly discharge the battery.

If there is a malfunction with either the alternator or electrical charging system:

1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the alternator drive belt for looseness or breakage.
   If the belt is adjusted properly, there may be a problem in the electrical charging system.
   In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Engine Oil Pressure Warning Light
This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It remains on until the engine is started.
• When the engine oil pressure is low.

If the engine oil pressure is low:

1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more information, refer to “Engine Oil” in chapter 7). If the level is low, add oil as required.
   If the warning light remains on after adding oil and restarting the engine or if oil is not available, turn off the engine. There is a mechanical concern that needs to be repaired before you can continue driving. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

NOTICE

• Engine Oil Pressure Warning light
  To prevent severe engine damage, after the Engine Oil Pressure Warning Light is illuminated and as soon as it is safe to do so, turn the engine off and check the oil level.
  If the oil level is low, fill the engine oil to the proper level and start the engine again. If the light stays on with the engine running, turn the engine off immediately.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Low Fuel Level Warning Light
This warning light illuminates:
When the fuel tank is nearly empty. Add fuel as soon as possible.

NOTICE

• Low Fuel Level
  Driving with the Low Fuel Level warning light on or with the fuel level below “E” can cause the engine to misfire and damage the catalytic converter.

Low Tire Pressure Warning Light
This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When one or more of your tires are significantly underinflated (The location of the underinflated tires are displayed on the LCD display).

For more information, refer to “Tire Pressure Monitoring System (TPMS)” in Chapter 6.

This warning light remains on after blinking for approximately 60 seconds or repeats blinking and off at intervals of approximately 3 seconds:
When there is a malfunction with the TPMS.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
For more information, refer to “Tire Pressure Monitoring System (TPMS)” in chapter 6.

WARNING
Safe Stopping

• The TPMS cannot alert you to severe and sudden tire damage caused by external factors.
• If you notice any vehicle instability, immediately take your foot off the accelerator pedal, apply the brakes gradually with light force, and slowly move to a safe position off the road.

Automatic Emergency Braking (AEB) Warning light
This warning light illuminates :

• When the AEB system is turned off.
• When the radar or its cover is stained. Remove the stains with a soft cloth.
• When there is a malfunction with AEB. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Door Ajar Warning Light
This warning light illuminates:
When a door is not closed securely.

Trunk Open Warning Light

This warning light illuminates:
When the trunk lid is not closed securely.

Electronic Parking Brake (EPB) Warning Light

This warning light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the EPB.

In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Information – Electronic Parking Brake (EPB) Warning Light
The Electronic Parking Brake (EPB) Warning Light may illuminate when the Electronic Stability control (ESC) Indicator Light comes on to indicates that the ESC is not working properly (This does not indicate malfunction of the EPB).

Master Warning Light
This indicator light illuminates
When there is a malfunction on the low washer, Smart cruise control, and so on.
To identify the details of the warning, look at the LCD display.

Indicator Lights

Electronic Stability Control (ESC) Indicator Light
This indicator light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the ESC system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks:
While the ESC is operating.
For more information, refer to “Electronic Stability Control (ESC)” in chapter 5.

Electronic Stability Control (ESC) OFF Indicator Light

This indicator light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When you deactivate the ESC system by pressing the ESC OFF button.

For more information, refer to “Electronic Stability Control (ESC)” in chapter 5.

Immobilizer Indicator Light (Without Smart Key)

This indicator light illuminates:
When the vehicle detects the immobilizer in your key properly while the ignition switch is ON.

• At this time, you can start the engine.
• The indicator light goes off after starting the engine.

This indicator light blinks:
When there is a malfunction with the immobilizer system.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Immobilizer Indicator Light (With Smart Key)
This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key in the vehicle properly while the ignition switch or the Engine Start/Stop button is ACC or ON.

• At this time, you can start the engine.
• The indicator light goes off after starting the engine.

This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.

• At this time, you can not start the engine.

This indicator light illuminates for 2 seconds and goes off:
When the vehicle can not detect the smart key which is in the vehicle while the ignition switch or the Engine Start/Stop button is ON.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks

• When the battery of the smart key is weak.
  • At this time, you can not start the engine. However, you can start the engine if you press the ignition switch or the Engine Start/Stop but-ton with the smart key. (For more information, refer to “Starting the Engine” in chapter 5).
• When there is a malfunction with the immobilizer system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Turn Signal Indicator Light
This indicator light blinks:
When you turn the turn signal light on.
If any of the following occurs, there may be a malfunction with the turn signal system. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

• The indicator light does not blink but illuminates.
• The indicator light blinks more rapidly.
• The indicator light does not illuminate at all.

High Beam Indicator Light
This indicator light illuminates:

• When the headlights are on and in the high beam position.
• When the turn signal lever is pulled into the Flash-to-Pass position.

Smart High Beam indicator 
This warning light illuminates :

• When the high beam is on with the light switch in the AUTO light position.
• If your vehicle detects oncoming or preceding vehicles, the Smart High Beam system will switch the high beam to low beam automatically.

For more information, refer to “Smart High Beam” in this chapter.

Light ON Indicator Light
This indicator light illuminates:
When the tail lights or headlights are on.

Adaptive Front Lighting System (AFLS) Warning Light 
This warning light illuminates:

• Once you set the Engine Start/Stop Button to the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the AFLS.

If there is a malfunction with the AFLS

1. Drive carefully to a safe location and stop the vehicle.
2. Turn the engine off and restart the engine. If the indicator light remains on, have your vehicle inspected by an authorized HYUNDAI dealer.

Cruise Indicator Light 

This indicator light illuminates:
When the cruise control system is enabled.
For more information, refer to “Cruise Control System” in chapter 5.

Cruise SET Indicator Light

This indicator light illuminates:
When the cruise control speed is set.
For more information, refer to “Cruise Control System” in Chapter 5.

AUTO HOLD Indicator Light 

This indicator light illuminates:

• [White] When you activate the auto hold system by pressing the AUTO HOLD button.
• [Green] When you stop the vehicle completely by depressing the brake pedal with the auto hold system activated.
• [Yellow] When there is a malfunction with the auto hold system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

For more information, refer to “Auto Hold” in chapter 5.

SPORT Mode Indicator Light

This indicator light illuminates:
When you select “SPORT” mode as drive mode.
For more information, refer to “Drive Mode Integrated Control System” in chapter 5.

ECO Mode Indicator Light
This indicator light illuminates :
When you select “ECO” mode as drive mode.
For more information, refer to “LCD Display” in this chapter.

WARNING
Do not watch the ECO indicator light while driving. This will dis-tract you and may cause an accident that results in severe personal injury.

Lane Keeping Assist System (LKAS) Indicator Light
This indicator light illuminates:

• [Green] When the system operating conditions are satisfied.
• [White] The system operating conditions are not satisfied.
• [Yellow] When there is a malfunction with the lane-keeping assist system.
  In this case, we recommend you to have your vehicle inspected by an authorized HYUNDAI dealer.

For more details, refer to “Lane Keeping Assist System (LKAS)” in chapter 5.

FAQs

Useful Links

View Full PDF: 2018 Hyundai Sonata Owner’s Manual| Auto User Guide

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