The indicator illuminates when the front fog lights are ON.
Kia Cee'd JD Service Manual: Crash Pad Side Cover Components and components location
Component Location
[LH]
1. Crash pad side cover [LH]
[RH]
1. Crash pad side cover [RH]
...
Kia Cee'd JD Service Manual: Tail Gate Trim Components and components location
Component Location
1. Tail gate trim
...