Kia Optima: Headrest
The rear seat(s) is equipped with headrests in the outboard seating positions for the occupant's safety and comfort.
The headrest not only provides comfort for passengers, but also helps protect the head and neck in the event of a collision.
WARNING

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.
WARNING
Make sure the headrest locks in position after adjusting it to properly protect the occupants.
Folding the rear seat
Seat warmer (if equipped)Folding the rear seat
The rear seatbacks may be folded to facilitate carrying long items or to increase
the luggage capacity of the vehicle.
WARNING
The purpose of the fold-down rear seatbacks is to allow you to carry ...
Control System Composition
Fault DiagnosisFeatures a fail-safe mechanism that prevents dangerous situations
from developing in the event of a transaxle failure. The limp home mode engages
if the transaxle malfunctions. ...
Starting the engine with an ignition key
1. Make sure the parking brake is applied.
2. Manual Transaxle - Depress the clutch pedal fully and shift the transaxle
into Neutral. Keep the clutch pedal and brake pedal depressed while turning t ...