Display in the instrument cluster
The collision warning can be issued in the instrument cluster, in the Head-up Display, and acoustically.
Warning stages

Adapting your speed and driving style
The display does not relieve the driver of
the responsibility to adapt his or her driving
speed and style to the traffic conditions.◀
See also:
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...
Switching on automatically
Select transmission position R with the engine
running.
The Top View and PDC images are displayed if
the system is switched on via iDrive. ...
xDrive
xDrive is the all-wheel-drive system of your vehicle.
Concerted action by the xDrive and DSC
further optimize traction and driving dynamics.
The xDrive all-wheel-drive system variably distributes ...
