See also:

Cleaning the Video Screens
Use only a clean cloth dampened with clean water. Use care when touching or cleaning the screens as damage could result. ...

If the System Needs Service
If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. ...

Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, a ...