See also:

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 ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. Switch back on: press button. ...