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.
Welcome system
Interior light: Changing the Remote Control Battery - Vehicles With: Push Button Start
WARNING: Keep batteries away
from children to prevent ingestion.
Failure to follow this instruction could
result in personal injury or death. If
ingested, immediately seek medical
attention.
WARNING: If the battery
compartment does not securely close,
stop using the remote control and
replac ...
Kia Cee'd JD Service Manual: Head Lamps Repair procedures
Inspection
1.
Check-points upon head lamp failure (HID)
(1)
Check the battery voltage. (Low beam will be on when the battery
voltage above 9V.)
(2)
Check the fuse and relay.
...