Hyundai Elantra (CN7): Warning and Indicator Lights / Engine Oil Pressure Warning Light

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.

2. Turn the engine off and check the engine oil level (For more information, refer to "Engine Oil" in chapter 8). If the level is low, add oil as required.

If the warning light remains on after adding oil or if oil is not available, have the vehicle inspected by an authorized HYUNDAI dealer as soon as possible.

NOTICE

  • If the engine is not turned OFF immediately after the Engine Oil Pressure Warning Light is illuminated, severe damage could occur.
  • If the warning light stays on while the engine is running, it indicates that there may be serious engine damage or malfunction. In this case:
    1. Stop the vehicle as soon as it is safe to do so.
    2. Turn off the engine and check the oil level. If the oil level is low, fill the engine oil to the proper level.
    3. Start the engine again. If the warning light stays on after the engine has started, turn the engine off immediately. In this case, have the vehicle inspected by an authorized HYUNDAI dealer.

    When this warning light illuminates while the engine is running, the battery is not being charged. Immediately turn OFF all electrical accessories.

    This warning light illuminates: When the fuel tank is nearly empty. Add fuel as soon as possible. NOTICE 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.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Temperature Control Actuator

    Description and operation DescriptionThe temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch.

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

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

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