Kia Optima: Auto light control
To operate the auto light, turn the knob on the end of the control lever.
If you set the knob to “AUTO” the tail lights and headlights will be turned on or off automatically according to the outside lighting conditions.
High-Beam Operation

To turn on the high-beam headlights, push the lever away from you. Pull it back for low beams.
The high-beam indicator will light when the headlight high beams are switched on.
To prevent the battery from being discharged, do not leave the lights on for a prolonged time while the engine is not running.
Lighting Control
Flashing HeadlightsLighting control
The light switch has a Headlight and a Parking light position.
To operate the lights, turn the knob at the end of the control lever to one of
the following positions:
(1) OFF position (2) Parkin ...
SS-B Solenoid Valve(ON/OFF). Schematic Diagrams
Circuit Diagram
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