Kia Optima: Auto Light Switch. Repair proceduresInspection
Lighting Switch InspectionWith the multi function switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function switch.


Schematic DiagramsFront fog light switch
To turn on the front fog lights, place the switch in the “ON” position. They
will come on when the headlight switch is in the first or second position. ...
Replacement
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the main crash pad lower
cover (A).
3.
Disconnect the blower resistor
connector ...