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: Compressor
Description and operation DescriptionThe compressor is the power unit of the A/C system.It is located on the side of engine block and driven by a V-belt of the engine.The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.
Hyundai Elantra (CN7) 2021-2026 Service Manual: In-car Sensor
Description and operation DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and accor
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