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: Power Window Switch

    Schematic diagrams Connector and Terminal Function Power Window Main Switch Pin Function 1 B-CAN (Low) 2 B-CAN (High) 3 Ground (Assist safety) 4 Assist safety 5

    Kia Optima DL3 2019-2025 Service and Repair Manual: Rear Glass Defogger Switch

    Repair procedures Inspection 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS). The diagnostic system (KDS) provides the following information. (1) Self diagnosis : Checking failure and code number (DTC).

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