See also:

If the System Needs Service
If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. ...

Universal Remote System Operation
Using the Universal Remote System Press and hold the appropriate Universal Remote system button for at least half of a second. The indicator light will come on while the signal is being transmi ...

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 ...