Uniform Tire Quality Grading

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.

For example:

See also:

Distance to Destination
This display will show the vehicle distance with estimated time of arrival to destination. The value can be cleared or reset by pressing the SET/CLR button. Move the thumbwheel up or down to increas ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

XM Weather
Press the Weather screen button to display the Current or Extended Forecast Weather. The Extended Forecast Weather screen displays five days of the forecasted weather at the vehicle’s current posit ...