See also:

System limits
Personal responsibility The system cannot serve as a substitute for the driver's personal judgment of the traffic situation. In the event of a warning, do not jerk the steering wheel, as you ...

HDC Hill Descent Control
The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

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 ...