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:
Steering wheel
General information
Do not adjust while driving
Do not adjust the steering wheel while
driving; otherwise, an unexpected movement
could result in an accident.◀
Manual steering wheel adju ...
Performance
For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for
260 horsepower. It teams with either a six-speed manual or a six-speed automatic
transmission. All X3s have all-wheel dr ...
Saying commands
Activating voice activation system1. Press the button on the steering wheel.
2. Wait for the acoustic signal.
3. Say the command.
This symbol on the Control Display and
...
