See also:

Check the tire inflationpressure regularly
Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises f ...

General driving notes
Close the trunk lid Only drive with the trunk closed. Failure to do so may endanger passengers or other road users or may damage the vehicle in the event of an accident or a braking and evasive ma ...

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 ...