This indicator light illuminates when the headlights are on.
Kia Cee'd JD Service Manual: Components and components location
Components
1. Tire
2. Drive shaft coking nut
3. Brake disc
4. Dust cover
5. Wheel hub assembly
6. Knuckle
...
Kia Cee'd JD Service Manual: Specifications
Specifications
Content
Value
AFLS
Nominal voltage
DC 13.5V
Max voltage
DC 18.5V
Operating voltage
DC 9.5 ~ 16.5V
Operating temperature ...