The purpose of the air bag warning light in your instrument panel is to alert you of a potential problem with your air bag - Supplemental Restraint System (SRS).
When the ignition switch is turned ON, the warning light should illuminate for approximately 6 seconds, then go off. Have the system checked if:
Kia Cee'd JD Service Manual: Rear Seat Belt Retractor Components and components location
Component Location
1. Rear seat belt retractor
...
Kia Cee'd JD Owners Manual: Rear fog light
1. Remove the under cover by rotating
the screws.
2. Reach your hand into the back of the
rear bumper.
3. Disconnect the power connector.
4. Remove the bulb-socket from the
housing by turning the socket counter
clockwise until the tabs on the socket
align with the slots on the housi ...