See also:

Additional functions
Activating/deactivating the additional functions Activate the functions before pairing to be able to use them in the vehicle. Information on suitable mobile phones, that support this function ...

The concept
The concept Two radar sensors below the rear bumper monitor the area behind and next to the vehicle at speeds above approx. 30 mph/50 km/h. The system indicates whether there are vehicles ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...