Hyundai Elantra (CN7): Warning and Indicator Lights / Charging System Warning Light

When this warning light illuminates 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.

Have the vehicle inspected by an authorized HYUNDAI dealer as soon as possible.

    This warning light illuminates: When you place the ignition switch to the ON position. -- The malfunction indicator light illuminates for about 3 seconds and then goes off.

    This warning light illuminates: 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.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting

    TroubleshootingProblem Symptoms TableBefore replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Mode Control Actuator

    Description and operation DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0156