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 ...

Passing
More passing distance is needed when towing a trailer. The combination will not accelerate as quickly and is longer so it is necessary to go much farther beyond the passed vehicle before returning ...

Starting the Gasoline Engine
Place the transmission in the proper gear by moving the shift lever to P (Park) or N(Neutral). To restart the engine when the vehicle is already moving, use N (Neutral). Notice: Do not try to shi ...