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 ...

Manual Operation
(Power): Press to turn the climate control system on or off. (Fan Control): Press to increase or decrease the fan speed. Pressing either button cancels automatic operation and the system goes into ...

Steering Wheel Controls
If equipped, some audio controls can be adjusted at the steering wheel. (Next): Press to go to the next favorite radio station, track on a CD, or folder on an iPod® or USB device. (Previous/En ...