Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Warning and Indicator Lights / 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 with the Engine Start/Stop button in the ACC or ON position.

-- Once the smart key is detected, 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.

-- If the smart key is not detected, you cannot start the engine.

This indicator light illuminates for 2 seconds and goes off:

If the smart key is in the vehicle and the Engine Start/Stop button is ON, but the vehicle cannot detect the smart key.

In this case, have the vehicle inspected by an authorized HYUNDAI dealer. This indicator light blinks:

When there is a malfunction with the immobilizer system.

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

    Electronic Stability Control (ESC) OFF Indicator Light

    This indicator light illuminates: • When you place the ignition switch to the ON position. -- It illuminates for approximately 3 seconds and then goes off...

    Turn Signal Indicator Light

    This indicator light blinks: When you operate the turn signal indicator stalk. If any of the following occur, there may be a malfunction with the turn signal system...

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Troubleshooting


    Failure Diagnosis1.In principle, ESP and TCS controls are prohibited in case of ABS failure.2.When ESP or TCS fails, only the failed system control is prohibited.3.However, when the solenoid valve relay should be turned off in case of ESP failure, refer to the ABS fail-safe...

    Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Engine Coolant


    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season and before traveling to a colder climate...

    Categories

    Air bag collision sensors

    1. SRS control module/Rollover sensor
    2. Front impact sensors
    3. Side impact sensors (acceleration)
    4. Side impact sensors (pressure)

    read more

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