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:
Safety switch
With the safety switch, the rear windows are
prevented from being opened or closed via the
switches in the rear passenger area, such as by
children.
Press the button.
The LED lights up if the ...
Tire inflation pressure values up to 100 mph/160 km/h
320i
328i
335i
...
Hazard warning flashers
The button is located in the center console. ...
