This indicator illuminates when the headlights are on and in the high beam position or when the turn signal lever is pulled into the Flash-to-Pass position.
Kia Cee'd JD Service Manual: Repair procedures
Replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from front hub .
Tightening torque:
88.2 ...
Kia Cee'd JD Owners Manual: Operating conditions
To operate:
Press the BSD switch with the Ignition
switch in the ON position.
The indicator on the BSD switch will illuminate.
When the vehicle speed exceeds 30
km/h (20 mph), the system will be activated.
To cancel:
Press the BSD switch again. The indicator
on the switch will go off.
W ...