GVN 53 Owner’s Manual 3chanGinG the SettinGSChanging the Map SettingsPress Menu three times. Then select Map.Map Detail—adjust the amount of detail shown on themap. Displaying more detail causes the map to redrawslowly.orientation—change the perspective of the map.• 2D north Up—display the map in 2 dimensions(2-D) with North at the top.• 2D track Up—display the map in 2 dimensions(2-D) with your direction of travel at the top of thescreen.• 3D track Up—display the map in 3 dimensions(3-D), with your direction of travel at the top of thescreen. This is the default map view.Color Mode—select Day for a bright background.Select Night for a black background. Select Auto toautomatically switch between the two.Auto Zoom—disable or enable automatic zooming on themap for optimal viewing. You can also specify a maximumAuto Zoom distance, from 120 feet to 300 miles.Route Color—select the color of the route line.Dim Roads—dim roads that are not on your route. Youcan customize this setting to Never or While Routing.