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

See also:
Requirements
Via the Control Display, set a language that is
also supported by the voice activation system
so that the spoken commands can be identified.
Set the language. ...
Visual warning
The approach of the vehicle to an object can be
shown on the Control Display. Objects that are
farther away are displayed on the Control Display
before a signal tone sounds.
A display appears a ...
Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained.
You can also adjust the volume with buttons on the steering wheel. ...
