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: Ambient Temperature Sensor
Description and operation DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.
Hyundai Elantra (CN7) 2021-2026 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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