Kia Optima DL3: Warning lights / Electric Power Steering (EPS) Warning Light, Malfunction Indicator Lamp (MIL)

Kia Optima DL3 2019-2025 Owner's Manual / Features of your vehicle / Warning lights / Electric Power Steering (EPS) Warning Light, Malfunction Indicator Lamp (MIL)

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.
  • When the warning light illuminates while driving, it indicates that there is a problem with the electric power steering system.

In this case, have your vehicle inspected by an authorized Kia dealer.

Malfunction Indicator Lamp (MIL)

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 the emission control system.

In this case, have your vehicle inspected by an authorized Kia dealer.

CAUTION - Malfunction Indicator Lamp (MIL)

Driving with the Malfunction Indicator Lamp (MIL) on may cause damage to the emission control systems which could affect drivability and/or fuel economy.

CAUTION - Catalytic Converter Damage

If the Malfunction Indicator Lamp (MIL) illuminates, potential catalytic converter damage is possible which could result in loss of engine power.

In this case, have your vehicle inspected by an authorized Kia dealer as soon as possible.

    These two warning lights illuminate at the same time while driving: • When the ABS and regular brake system may not work normally. In this case, have your vehicle inspected by an authorized Kia dealer.

    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: Integrated Body Control Unit (IBU)

    Components and components location Component Location 1. Integrated Body Control Unit (IBU) Schematic diagrams Connector and Terminal Function [Non-Smart key] Pin Function Connector A Connector B

    Kia Optima DL3 2019-2025 Service and Repair Manual: Heater Control Unit

    Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion 1 Ground 11 Ground 2 Clean signal 12 -

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