2009 GMC Acadia Owner's Manual - Page 457

Dual Mode This dual screen symbol displays when the screen is in dual mode. Destination To Use the destination feature on the navigation system: 1. Press the DEST key to access the Destination Entry screen. 2. Select one of five destination options from this screen. Dual mode displays the route (map) on half of the screen and a maneuver or turn list on the other half. Press this button to switch between dual screen and full screen which displays the entire route. Auto Reroute When the destination is set and you are off the planned route, the system automatically plans a new route and begins to reroute. The new route is highlighted on the screen. 2-13