GMC Yukon Denali 2005 Manual page 37

After selecting one of the three routes, the road distance
and estimated travel time will be displayed. The Fastest
route means you will be routed along main roads
and highways, but does not necessarily mean it is the
shortest route. You may also touch the Time & Distance
screen button to view the road distance and estimated
travel time for each of the three routes.
Edit Route: This option allows you to change your
route preferences. See "Edit Route" under Navigation
Menu on page 2-7 for more information.
Press Back at any time to return to the previous screen.
Navigation Options
Nav Options Menu shown with a Set Destination
Once you select a destination and begin your route,
you can touch the Nav Options screen button at the
bottom of the map screen to view a menu with additional
route options. Choose from the following route options:
POI Icon Off: This option allows you to turn off Point of
Interest (POI) icons shown on the map.
POI Selection: This option allows you to choose which
types of POIs will be displayed on the map.
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