Kia Optima DL3: Warning lights / Charging System Warning Light
This warning light illuminates:
- Once you set the ignition switch or Engine Start/Stop Button to the ON position.
- It remains on until the engine is started. - When there is a malfunction with either the alternator or electrical charging system.
If there is a malfunction with either the alternator or electrical charging system:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the alternator drive belt for looseness or breakage.
If the belt is adjusted properly, there may be a problem in the electrical charging system.
In this case, have your vehicle inspected by an authorized Kia dealer as soon as possible.
Electric Power Steering (EPS) Warning Light This warning light illuminates: When the ignition is moved to ON, the warning light illuminates for about 3 seconds and turns off automatically if no problem.
This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It remains on until the engine is started.
Other information:
Kia Optima DL3 2019-2025 Service and Repair Manual: Compressor
Description and operation Description The 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.
Kia Optima DL3 2019-2025 Service and Repair Manual: A/C Pressure Transducer
Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.
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