See also:

Operation
Full View of Radio with CD Shown, Radio with Six-Disc CD Similar Partial View of Radio with DVD Audio, Hard Drive Device (HDD), and USB The vehicle may have one of these radios as its audio ...

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and n ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...