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

See also:
Malfunctions
Steering wheel vibration
Frequent activation of the steering wheel vibration
causes the system to overheat.
This causes Active Blind Spot Detection to become
deactivated.
Let the system cool an ...
Compact Design
Just as BMW's compact 3 Series ranks below the midsize 5 Series, the
five-seat X3 sits in the shadow of the larger X5. The styling clearly says BMW,
but it's the multi-paneled look of earlier mode ...
Switching the system on/off
Press the left or right side of the button
on the CD/DVD player in the rear for the
respective page.
Rear entertainment and screens are switched
on/off.
After switching off the ignition, ...
