General information
Switch position: 0, 
If the driver door is opened with the ignition switched off, the exterior lighting is automatically switched off at these switch settings:
See also:
Office
...
Indicator/warning lamps
The indicator lamp flashes: DSC controls
the drive forces and brake forces.
The indicator lamp lights up: DSC has
failed. ...
Radar sensor
Position
Radar sensor
Dirty or covered sensor
A dirty or covered sensor may hinder the detection
of vehicles.
▷ If necessary, clean the radar sensor. Remove
layers of snow and ice care ...