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: Windshield Deicer Switch Repair procedures
Inspection
1.
The windshield deicer switch inputs can be checked using the GDS.
2.
To check the input value of windshield deicer switch, select option
"Body Control Module".
3.
Select opt ...
Kia Cee'd JD Service Manual: Components and components location
Components
1. Windshield side molding
2. Windshield glass
...