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

See also:
High-performance lightweight brake system
The dynamic performance of the sports sedan calls for a larger brake system,
and the new BMW 3-Series thus uses lightweight sliding-calliper brakes with
large vented discs. The aluminium front cal ...
Engaging the transmission position
► Transmission position P can only be disengaged
if the engine is running and the brake
pedal is pressed.
► With the vehicle stationary, press on the
brake pedal before shifting out of ...
Sound output
Switching on/off
When the ignition is switched off: press ON/OFF
button on the radio.
Muting
When the ignition is switched on or the engine
is running: press the ON/OFF button on the
radio. ...
