
Whenever the front door is opened, the engine start/stop button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed. It will also go off immediately when the theft-alarm system is armed.
Kia Cee'd JD Service Manual: Room Lamp Repair procedures
Inspection
Room Lamp
1.
Check that the switch operates properly after disconnecting the room
lamp connector (A).
Removal
Room Lamp
1.
Disconnect the negative(-) battery terminal.
...
Kia Cee'd JD Service Manual: Front Pillar Trim Components and components location
Component Location
1. Front pillar trim
...