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

See also:
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the tailgate when the front doors are
closed, but they are not secured against theft.
The fuel filler flap remains unlocked. ...
Six generations of the BMW 3-Series: The success story of a global
trendsetter
If there is such a thing as a quintessential BMW, it is without doubt the BMW
3-Series. The 3-Series is everything a sports sedan should be, and for years it
has stood undisputed at the summit of ...
Calling up information on the infodisplay
Press the onboard computer button on the turn
signal lever.
Information is displayed on the info display of the
instrument cluster. ...
