Kia Optima: Automatic Transaxle OperationThe optional automatic transaxle is electronically controlled.

All normal forward driving is done with the shift lever in the D (Drive) position.
To move the shift lever from the P (Park) position, the ignition switch must be in the ON position, the brake pedal must be depressed and the lock release button must be depressed.
For smooth operation, depress the brake pedal when shifting from N (Neutral) to a forward or reverse gear.
WARNING - Automatic Transaxle
Before leaving the driver’s seat, always make sure the shift lever is in the P (PARK) position; then set the parking brake fully and shut the engine off. Unexpected and sudden vehicle movement can occur if these precautions are not followed in the order identified.
✽ NOTICE
Transaxle RangesClimate control air filter
Filter inspection
The climate control air filter should be
replaced according to the Maintenance
Schedule. If the vehicle is operated in
severely air-polluted cities or on dusty
rough roads f ...
Disassembly
1.
Disassemble the CVVT assembly
(A) and camshaft (B).
When removing the CVVT assembly bol ...
Seat Heater. Schematic Diagrams
Circuit Diagram
...