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

See also:
Ventilation in rear
Ventilation in rear
1 Use the thumbwheels to smoothly open and
close the air vents
2 Use the lever to change the direction of the
air flow ...
Malfunction
In the event of a malfunction, the steering wheel
must be turned further, while the vehicle responds
more sensitively to steering wheel
movements in the higher speed range.
The stability-enhanc ...
Automatic deactivation during forward travel
The system switches off when a certain driving
distance or speed is exceeded.
Switch the system back on if necessary. ...
