When the headlight(light switch in the headlight or AUTO position) is on and all doors (and tailgate) are locked and closed, the headlight, position light and tail light will come on for 15 seconds if any of the below is performed.
At this time, if you press the door lock button (on the transmitter or smart key), the lights will turn off immediately.
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Interior lightKia Cee'd JD Service Manual: Rear Door Window Glass Components and components location
Component Location
1. Rear door window glass
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Kia Cee'd JD Service Manual: Brake Booster Components and components location
Components [LHD]
1. Brake booster
2. Master cylinder assembly
3. O-ring
Components [RHD]
1. Brake booster
2. Master cylinder assembly
3. O-ring
...