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

See also:
Brightness
Setting the brightness
To set the brightness of the Control Display:
1. "Settings"
2. "Control display"
3. "Brightness"
4. Turn the controller until the desired ...
Folding table* in the rear
A folding table is contained in the backrest of the
front seat. ...
Tire inflation pressures X5 xDrive50i with two rows of seats
...
