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.
Kia Cee'd JD Service Manual: TJ Joint Components and components location
Components
[LH]
1. BJ assembly
2. BJ circlip
3. BJ boot band
4. BJ boot
5. Shaft
6. TJ boot band
7. TJ boot
8. Spider assembly
9. Retainer ring
10. TJ housing
11. Housing circlip
...
Kia Cee'd JD Service Manual: Evaporator Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater & blower assembly.
(Refer to Heater - "Heater Unit")
3.
Separate the blower unit from the heater un ...