GMC 2009 Acadia - Manual (Page 467)

Turn List
Turn List: Select to view the list of turn maneuvers for
the entire route and to avoid turns on the route.
r / q (Scroll Arrows): Select the up and down
arrow to scroll through the list of maneuvers.
Avoid: Select this screen button, next to the adjacent
street name, to avoid the maneuver.
The map screen displays. The route recalculates
without that maneuver.
Route Preview: Select to preview the entire route in
either direction.
t (Reverse Skip): Select to go back to the start point
or previous stopover.
q / r (Reverse Scroll): Select to scroll to the start
point or previous stopover. The t button changes
to a fast reverse screen button.
j (Pause): Select to pause the route preview, while in
reverse or fast forward scroll.
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