GMC 2009 Acadia - Manual (Page 457)

Dual Mode
This dual screen symbol
displays when the screen
is in dual mode.
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.
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.
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