See also:

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Pedestrian detection
The pedestrian detection and warning system only operates in darkness and only when a heat image is displayed. Warm objects that are similar in shape to human beings are detected by the syste ...

Exterior
The exterior remains the same for 2009, and the X3 retains its awkward angles, disjointed taillights and odd lower bodywork. It's not unattractive, but it sure isn't as stylish as Mercedes' new GL ...