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

See also:
Context help - Owner's Manual to the temporarily selected function
The relevant information can be opened directly.
Opening during operation via iDrive
To move directly from the application on the
Control Display to the options menu:
1.
Press the button or m ...
Ignition lock
Insert the remote control into the ignition lock
Insert the remote control all the way into the ignition lock.
> Radio readiness is switched on.
Individual electrical consumers can operate.
C ...
Interior
Even though it's relatively unchanged for 2009, the X3's interior remains
very upscale for this segment. My test car's dark brown leather upholstery and
black dashboard made for an especially clas ...
