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 b ...

Trunk Release
To open the trunk, press . ...

Power Steering
If power steering assist is lost because the engine stops or the system is not functioning, the vehicle can be steered but it will take more effort. ...