See also:

Welcome lamps
When parking the vehicle, leave the switch in position or : the parking and interior lamps light up briefly when the vehicle is unlocked. Activating/deactivating the welcome lamps 1. " ...

Radio
Your radio is designed for reception of the following stations: > FM and AM > HD Radio > Satellite radio ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...