Hyundai Elantra (CN7): Warning and Indicator Lights / Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates:

• When you place the ignition switch to the ON position.

-- The Electronic Stability Control indicator light illuminates for about 3 seconds and then goes off.

• Whenever there is a malfunction with the ESC system.

If this occurs, have the vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks:

While the ESC is operating.

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

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

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Evaporator Temperature Sensor

    Description and operation DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Blower Resistor (Manual)

    Repair procedures Inspection1.Measure the resistance between the terminals.2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)Replacement1.Disconnect the negative (-) battery terminal.

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