Alarm system

See also:

Checking the pressure
Only check the tire inflation pressure when the tires are cold. This means after a maximum of 1.25 miles/2 km driving or when the vehicle has been parked for at least 2 hours. When the tires a ...

Speed limit
Display of a speed limit which, when reached, should cause a warning to be issued. Renewed warning if the vehicle speed drops below the set speed limit once by at least 3 mph/ 5 km/h. Displayi ...

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 ...