When all doors are locked and closed, the puddle lamp will come on for 15 seconds if any of the below is performed.
At this time, if you press the door lock button, the lamps will turn off immediately.
Interior light
DefrosterKia Cee'd JD Service Manual: Camshaft Position Sensor (CMPS) Repair procedures
Inspection
1.
Check the signal waveform of the CMPS and CKPS using the GDS.
Specification: Refer to “Wave Form”
Removal
...
Kia Cee'd JD Service Manual: EPB Switch Repair procedures
Remove
1.
Turn ignition OFF and disconnect the negative (-) battery cable.
2.
Remove the floor console upper cover.
(Refer to Body - "Floor console assembly")
3.
Remove the EPB switch ...