Active Cruise Control with Stop & Go function, ACC
See also:
Brake system
Brakes require an initial break-in period of approx.
300 miles/500 km to achieve optimized
contact and wear patterns between brake pads
and rotors. Drive cautiously during this break-in
period. ...
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 ...
Resuming cruising speed
Press button 4:
The stored speed is resumed and maintained ...