Kia Optima: Headrest
The driver's and front passenger's seats are equipped with a headrest for the occupant's safety and comfort.
The headrest not only provides comfort for the driver and front passenger, but also helps to protect the head and neck in the event of a collision.
WARNING

Forward and backward adjustment
The headrest may be adjusted forward to 3 different positions by pulling the headrest forward to the desired detent. To adjust the headrest to it’s furthest backwards position, pull it fully forward to the farthest position and release it. Adjust the headrest so that it properly supports the head and neck.

Adjusting the height up and down
To raise the headrest, pull it up to the desired position (1). To lower the headrest, push and hold the release button (2) on the headrest support and lower the headrest to the desired position (3).

Removal
To remove the headrest, raise it as far as it can go then press the release button (1) while pulling the headrest upward (2). To reinstall the headrest, put the headrest poles (3) into the holes while pressing the release button (1). Then adjust it to the appropriate height.
Lumbar support
Seat warmer (if equipped)To decrease the cruising speed
Follow either of these procedures:
Move the lever (1) down (to SET-) and hold it. Your vehicle will gradually
slow down. Release the lever at the speed you want to maintain.
Move the lever ...
Fuel Tank Pressure Sensor (FTPS). Specifications
Specification
Pressure
[kPa (kgf/cm², in H2O)
Output Voltage (V)
-6.67 (-0.068, -26.8)
0.5
0
2.5
...
Rear Cross Member. Repair procedures
Replacement
1.
Remove the rear wheel & tire.
Tightening torque:88.3
~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)
...