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

See also:
Innovative boot access makes life a little easier
BMW ConnectedDrive has come up with another convenience-enhancing feature:
the hands-free boot lid opening function - available for the new BMW 3-Series
Sedan in conjunction with Comfort Access - ...
Calling up information on the info display
Calling up information on the info display
Press the onboard computer button on the turn
signal lever.
Information is displayed on the info display of the
instrument cluster. ...
Mounting LATCH child restraint fixing systems
1. Mount the child restraint fixing system; refer
to the operating instructions of the system.
2. Ensure that both LATCH anchors are properly
connected. ...
