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

See also:
Actions in the event of a flat tire
Normal tires
1. Identify the damaged tire
Do this by checking the air pressure in all
four tires.
If the tire inflation pressure in all four tires is
correct, the Flat Tire Monitor may not have ...
Safety
Neither the Insurance Institute for Highway Safety nor the National Highway
Traffic Safety Administration has tested the 2007 X3. Standard safety features
include four-wheel-disc antilock brakes, ...
Activating a list and creating the
setting
Press a button on the right side of the steering
wheel or turn the thumbwheel to activate the required
list.
Create the setting using the thumbwheel. ...
