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

See also:
Opening the Options menu
Press the button.
The "Options" menu is displayed.
Additional options: move the controller to the
right repeatedly until the "Options" menu is displayed.
Options menu
The ...
Controls
Almost all functions can be operated in the same
manner as they are in the front. Special features
of operating the system in the rear are described
here. ...
Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear
luggage racks after use.
Attached parts on the vehicle impair the aerodynamics
and increase the fuel consumption. ...
