See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

The Inside
The X3's redesigned interior continues the sparse, minimalistic design approach that BMW favors, but it does a better job of integrating the center screen, which serves as the display for the stan ...

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