Magellan RoadMate 800 Reference Manual page 50

Chapter 12: T raveling
Select the distance of the detour. Select 3 miles , 5 miles , or 10 miles .
Custom
Or, you can enter a custom distance. Select and select the custom distance.
Enter the number of miles for your detour and then select OK .
Route
Select . The Magellan RoadMate will recalculate the alternate route to your destination.
You can also choose to have the Magellan RoadMate detour you around traffic automatically by
enabling smart detour. See "Detour Options" on page 77.
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