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:
Closing the windows and glass
sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass
sunroof and windows open results in increased
air resistance and raises fuel consumption. ...
BMW X3 iDrive Owners Manual
h1 {color: red;}
h2 {color: green;}
h3 {color: blue;}
h4 {color: #FF00FF;}
...
Operating from the inside
Operating from the inside
Via the button for the central locking system.
If the vehicle has been locked from inside, the
fuel filler flap remains unlocked.
If an accident of a certain severity ...
