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

See also:
Controls
1 Screen, left
2 Screen, right
3 Center armrest, remote control
4 CD/DVD player ...
Active seat ventilation
Switching on
Press the button once for each
ventilation
level.
The highest level is active when three LEDs are
lit.
Switching off
Press the button longer.
The LEDs go out. ...
Voice operation
Vehicles equipped with the voice activation system:
operation.
Vehicles not equipped with the voice activation
system: depending on the equipment, the mobile
phone can be voice operated as desc ...
