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:
Opening the main menu
Press the button.
The main menu is displayed.
All iDrive functions can be called up via the main
menu. ...
Opening the favorites
If an activated favorite is played back, the following
message appears for approx. 20 seconds:
"Favorite alert!".
"Favorites"
Select the symbol while the message is shown.
...
Close the windows and glass
sunroof
Driving with the glass sunroof and windows
open results in increased air resistance and
raises fuel consumption. ...
