Kia Optima: DescriptionThe Rain sensing windshield wiper system is a wiper system that, in addition to providing normal wiper functions off, mist, manual low speed, manual high speed, and wash, provides automatic control of automatic intermittent automatic low, and automatic high speeds.
When the ignition key is in the ON position, the rain sensor (A) will be activated.

System FunctionSeat Heater Switch. Schematic Diagrams
Circuit Diagram
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Rear Window Defroster
The defroster heats the window to remove frost, fog and thin ice from the interior
and exterior of the rear window. The ignition switch must be on for the defroster
to operate.
To activate the ...
Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant
speed without depressing the accelerator pedal.
This system is designed to function above approximately 40 km/h (2 ...