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 ...

Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier. - Press to answer an incoming call when another call is active. The original call is placed on hold. ...

Fuel Used
The Fuel Used display shows the approximate liters (L) or gallons (gal) of fuel that have been used since last reset. The fuel used can be reset by pressing the SET/CLR button while the Fuel Used ...