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

See also:
Initialization after a power failure
After a power failure, it is only possible to raise
the roof, if necessary.
Have the system initialized by your service center. ...
Opening/closing the sliding visor
You can move the sliding visor independently
with the sunroof closed or tilted.
▷ Press the switch in the
desired
direction to the resistance
point and hold it there.
The sliding viso ...
The concept
The concept
Two radar sensors below the rear bumper monitor
the area behind and next to the vehicle at
speeds above approx. 30 mph/50 km/h.
The system indicates whether there are vehicles
...
