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: Catalytic Converter Description and operation
Description
The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes
carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides
of nitrogen (NOx).
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Kia Cee'd JD Owners Manual: Door lock/unlock features
Impact sensing door unlock system
All doors will automatically unlock when
an impact causes the air bags to deploy.
Speed sensing door lock system
(if equipped)
All doors will automatically lock after the
vehicle speed exceeds 15 km/h.
Engine off door unlock system
(if equipped)
All doo ...