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: Audio System Precautions. Switching the Audio Unit On and Off. Selecting the Audio Source
Audio System Precautions
WARNING: Driving while distracted
can result in loss of vehicle control, crash
and injury. We strongly recommend that
you use extreme caution when using any
device that may take your focus off the
road. Your primary responsibility is the
safe operation of your vehicle. ...
Kia Cee'd JD Service Manual: Auto Light Sensor Repair procedures
Inspection
In the state of IGN1 ON, when multifunction switch module detects auto light
switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto light sensor's input.
The auto light control doesn't work if the pin sunlight s ...