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: Cooling System Capacity and Specification - 2.5L, Hybrid Electric Vehicle (HEV)/Plug-In
Hybrid Electric Vehicle (PHEV)
Use coolant that meets the defined
specification.
If you do not use coolant that meets the
defined specification, it could result in:
Component damage that your vehicle
warranty does not cover.
Reduced vehicle performance.
Capacities
Materials
...
Kia Cee'd JD Service Manual: Heater & A/C Control Unit (DATC) Repair procedures
Self Diagnosis
1.
Self-diagnosis process
2.
How to read self-diagnostic code
After the display the panel blinks three times every 0.5 second, the
corresponding fault code blinks on the setup temperature display pan ...