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. ...

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Active Protection - preventative occupant protection
The Active Protection safety package is making its debut in the new BMW 3-Series Sedan under the banner of BMW ConnectedDrive. This assistance system is activated shortly after the driver pulls aw ...