See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Innovative boot access makes life a little easier
BMW ConnectedDrive has come up with another convenience-enhancing feature: the hands-free boot lid opening function - available for the new BMW 3-Series Sedan in conjunction with Comfort Access - ...

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...