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

See also:
Gear shift indicator
The concept
The system recommends the most fuel efficient
gear in the current driving situation.
Displays
Indicators to shift up or down are displayed in
the instrument cluster.
...
Display on the Control Display
Switching on the backup camera via
iDrive
With PDC activated:
"Rear view camera"
The backup camera image is displayed. The setting
is stored for the remote control currently in
use ...
Braking safely
Your vehicle is equipped with ABS as a standard
feature.
Applying the brakes fully is the most effective
way of braking in situations when this is necessary.
The vehicle maintains steering respo ...
