See also:

Hydroplaning
On wet or slushy roads, a wedge of water can form between the tires and road surface. This phenomenon is referred to as hydroplaning. It is characterized by a partial or complete loss of contact ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

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 ...