When the interior light switch is in the DOOR position and all doors (and tailgate) are locked and closed, the room lamp will come on for 30 seconds if any of the below is performed.
At this time, if you press the door lock button, the lamps will turn off immediately.
Headlamp welcome
Puddle lampKia Cee'd JD Service Manual: Battery Description and operation
Description
1.
The MF(Maintenance Free) battery is, as the name implies, totally maintenance
free and has no removable battery cell caps.
2.
The MF(Maintenance Free) battery does not require water replenishment
for the repair.
...
Kia Cee'd JD Service Manual: Components and components location
Components (1)
[5Door]
1. Front seat headrest
2. Front seat headrest guide
3. Front seat back cover
4. Front seat back warmer
5. Front seat back pad
6. Front seat back frame
7. Front seat lumber support
8. Front seat cushion ...