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: Auto Light Sensor


    Repair procedures InspectionCheck if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illumination intensity) when the Auto Light Switch in Multi-Function Switch is turned ON, and the vehicle is in IGN1 or IGN2 ON Mode...

    Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Trunk opening & Panic button


    Trunk opening To open: 1. Make sure you have the smart key in your possession and either press inside the trunk emblem or press the Trunk Unlock button (3) on the smart key for more than one second. 2. Once the trunk is opened, the hazard warning lights will blink two times...

    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)

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