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

See also:
Vehicle Overview
BMW calls the 2006 version of its flagship 7 Series sedan a midsize
freshening rather than a redesign. Launched as a 2002 model, the
current-generation rear-wheel-drive 7 Series has been available ...
Safety switch for the rear
Press the button on the
driver's door if
children are being transported in the
rear.
This locks various functions so that they cannot
be operated from the rear: safety switch. ...
Closing
Danger of pinching
Monitor the closing process and make
sure that the closing path of the window is clear;
otherwise, injuries may result.
Pull the switch to the resistance point.
The win ...
