See also:

Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps™ and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be downlo ...

Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: • Keep the vehicle serviced and in good shape. • C ...

CD-R or CD-RW Supported File and Folder Structure
The radio supports: • Up to 50 folders. • Up to eight folders in depth. • Up to 15 playlists. • Up to 512 files and folders. • Playlists with an .m3u or .wpl extension. • Files with ...