Kia Rio: Seat / Seatback pocket

The seatback pocket is provided on the back of the front passenger’s seatback.
WARNING - Seatback pocket
Do not put heavy or sharp objects in the seatback pocket. An occupant could
contact such objects in a crash. Heavy objects in the front passenger seatback could
also interfere with the air bag sensing system.
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).
...
Headrest (for rear seat)
The rear seat is equipped with headrests in left and right side seating positions
for the occupant's safety and comfort.
The headrest not only provides comfort for passe ...
Other information:
Components and components location
Component Location
1. Luggage side trim
Repair procedures
Replacement
Put on gloves to protect your hands.
...
Your vehicle is equipped with an occupant detection system in the front passenger's
seat.
The occupant detection system is designed to detect the presence of a properly-seated
front passenger and determine if the passenger's front air bag should be enabled
(may inflate) or not. Only the fro ...