Kia Rio: Headrest (for front seat) / 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).
CAUTION
Excessive pulling or pushing may damage the headrest.

✽ NOTICE
If you recline the seatback towards the front with the headrest and seat cushion
raised, the headrest may come in contact with the sunvisor or other parts of the
vehicle.
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 ...
To remove the headrest:
1. Recline the seatback (2) with the recline lever(1).
2. Raise headrest as far as it can go.
3. Press the headrest release button (3) while pulling the headrest up (4).
...
Other information:
Repair procedures
Removal and Installation
1.
Remove the engine cover (A).
Tightening torque :
6.9 - 9.8 N·m (0.7 - 1.0 kgf·m, 5.1 - 7.2 lb·ft)
2.
Install in the reverse order of removal.
...
Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the roof trim assembly.
(Refer to Body - "Roof Trim Assembly")
3.
Remove the glass motor (A) after loosening the mounting ...