Kia Optima: Lighting 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) Parking light position
(3) Headlight position
(4)
Auto light position (if equipped)

Parking light position (
)
When the light switch is in the parking light position, the tail, license and instrument panel lights will turn ON.

Headlight position (
)
When the light switch is in the headlight position, the head, tail, license and instrument panel lights will turn ON.
✽ NOTICE
The ignition switch must be in the ON position to turn on the headlights.

Auto light position (if equipped)
When the light switch is in the AUTO light position, the taillights and headlights will turn ON or OFF automatically depending on the amount of light outside the vehicle.
CAUTION
Daytime running light
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Circuit Diagram
...
Description of ESC
Optimum driving safety now has a name : ESC, the Electronic Stability Control.
ESC recognizes critical driving conditions, such as panic reactions in dangerous
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How to cancel automatic the outside (fresh) air position in the Floor, Floor-
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When you select the Floor, Floor-Defrost or Defrost position, the system automatically
turns on the outside (fresh) air position will be selected.
If you don’t want the outside (fresh) air posi ...