This indicator illuminates when the rear fog lights are ON.
Kia Cee'd JD Service Manual: Components and components location
Components Location
1. Engine Control Module (ECM)
2. Manifold Absolute Pressure Sensor (MAPS)
3. Intake Air Temperature Sensor (IATS)
4. Engine Coolant Temperature Sensor (ECTS)
5. Throttle Position Sensor (TPS) [integrated into ETC Module]
6 ...
Kia Cee'd JD Service Manual: ABS Control Module Components and components location
Components
1. Front - left tube
2. Rear - right tube
3. Rear - left tube
4. Front - right tube
5. MC2
6. MC1
7. ABS control module(HECU)
8. Damper
9. Bracket
...