See also:

Switching the system on/off
Switching off At the lowest fan speed, press the left side of the button on the driver's side. Switching on Press any button. ...

BMW Info
General information Messages from BMW regarding service actions and news from BMW. Selecting additional functions The following functions are available when a message is selected: ...

The concept
The parking brake is used to prevent the vehicle from rolling when it is parked. Engine switched off: the parking brake acts on the rear wheels. Engine running: the parking brake acts on ...