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The rear seat is equipped with headrests in all the 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.
For maximum effectiveness in case of an accident, the headrest should be adjusted so the middle of the headrest is at the same height of the center of gravity of an occupant's head. Generally, the center of gravity of most people's heads is similar with the height as the top of their eyes.
Also, adjust the headrest as close to your head as possible. For this reason, the use of a cushion that holds the body away from the seatback is not recommended.
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 and reinstallation

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 and ensure that it locks in position.

To use the armrest, pull it forward from the seatback.
Kia Stinger (CK) 2018-2023 Owner's Manual: Important - use of compact spare tire
Your vehicle is equipped with a compact spare tire. This compact spare tire takes up less space than a regular- size tire. This tire is smaller than a conventional tire and is designed for temporary use only. You should drive carefully when the compact spare is in use. The compact spare should be replaced by the proper conventional tire and rim at the first opportunity.Kia Stinger (CK) 2018-2023 Owner's Manual: Tire (pressure & tread wear)
Repair procedures Inspection 1. Check the tire pressure. 17(inch) : 245 + 7.0 kPa (36 + 1 psi) 18(inch) : 245 + 7.0 kPa (36 + 1 psi) 19(inch) : 245 + 7.0 kPa (36 + 1 psi) Tire Rotation Checking For Pull And Wander If the steering pulls to one side, rotate the tires according to the following wheel rotation procedure.