2009 GMC Acadia Owner's Manual - Page 468

Select to scroll to the next stopover or to the final destination. The u button changes to a fast speed fast forward. r / [ (Fast Forward Scroll): Add Stopover u (Fast Forward Skip): Detour Select to go to the next stopover or to the final destination. Detour: Select this button from the Route screen, then select to detour 1 mile, 3 miles, or 5 miles (1 km, 3 km, 5 km) around the current route. You may also select to detour the whole route if necessary. This option is only available while you are driving on your current planned route. Voice Volume Select this button from the Route screen to turn voice guidance on or off and to change the volume of voice prompts. See "Nav" under Configure Menu on page 2-27 for more information. Add Stopover: Select this button from the Route screen. This feature lets you add up to three stopovers to the current route, between your start point and final destination. Once a stopover has been added, the points can be edited or deleted. 2-24