See also:

Signal tones
When approaching an object, an intermittent tone is sounded that indicates the position of the object. For example, if an object is detected to the left rear of the vehicle, a signal tone sounds ...

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

Safety
The X3 earned a 2009 Top Safety Pick designation from the Insurance Institute for Highway Safety, the agency's highest award. That means it earned top scores in IIHS' frontal-offset, side-impact a ...