Adjusting the Screen Brightness1 Select Settings > Display > Brightness.2 Use the slider bar to adjust the brightness.Vehicle ProfilesWARNINGEntering your vehicle profile characteristics does not guarantee that your vehicle's characteristics will beaccounted for in all route suggestions or that you will receive the warning icons in all cases. Limitations mayexist in the map data such that your device cannot account for these restrictions or road conditions in all cases.Always defer to all posted road signs and road conditions when making driving decisions.Routing and navigation are calculated differently based on your vehicle profile. The activated vehicle profileis indicated by an icon in the status bar. The navigation and map settings on your device can be customizedseparately for each vehicle type.When you activate a truck vehicle profile, the device avoids including restricted or impassable areas in routesbased on the dimensions, weight, and other characteristics you entered for your vehicle.Adding a Vehicle ProfileYou can add a vehicle profile that includes the weight, dimensions, and other characteristics for your vehicle.1 Select Settings > Vehicle Profile > .2 Select an option:• To add a straight truck with a permanently attached cargo area, select Straight Truck.• To add a tractor or a tractor-trailer combination, select Tractor.• To add a bus, select Bus.3 Follow the on-screen instructions to enter the vehicle characteristics.After you add a vehicle profile, you can edit the profile to enter additional detailed information, such as thevehicle identification number or trailer number (Editing a Vehicle Profile, page 6).Switching the Vehicle ProfileEach time you turn on your device, it prompts you to select a vehicle profile. You can manually switch to anothervehicle profile at any time.1 From the status bar, select the vehicle profile icon, such as or .2 Select a vehicle profile.The vehicle profile information appears, including measurements and weight.3 Select Select.Changing Your Trailer InformationBefore you can change your trailer information, you must enter a vehicle profile for a tractor (Adding a VehicleProfile, page 5).When you change the trailer on your tractor, you can change the trailer information in your vehicle profile withoutchanging the tractor information. You can switch quickly between frequently used trailers.1 Select Settings > Vehicle Profile.2 Select the tractor vehicle profile to use with the trailer.3 Select .4 Select an option:• To use a recent trailer configuration, select a trailer configuration from the list.• To enter a new trailer configuration, select New Configuration, and enter the trailer information.Vehicle Profiles 5