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 ...

Saving MEM Tracks as Favorites
Favorites can be saved by pressing and holding one of the 1 to 6 buttons. Favorites can be stored according to the following list: Playlist: Adds the currently playing track to the playlist select ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...