HDC Hill Descent Control*

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2010 BMW X5 Review
Aside from a low clatter at startup, there are few initial signs that BMW's diesel-powered X5 is a different sort of beast. Drive it you must, though, because diesel power is addictive. As is the ca ...

Light-emitting diodes LED
Light-emitting diodes installed behind translucent lenses serve as the light source for many of the controls, displays and other equipment in your vehicle. These light-emitting diodes, which op ...

Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain. Press the button. The LED lights up. ...