nüvi 310/360 Owner’s Manual 43C USTOMIZING THE NÜVIChanging the Navigation SettingsTo change the navigation settings, on the Menu page, touch Settings >Navigation.Route Preference—select a preference for calculating your route. Select Faster Timeto calculate routes that are faster to drive but can be longer in distance. Select ShorterDistance to calculate routes that are shorter in distance but can take more time todrive.Vehicle—specify your vehicle type to optimize routes.Avoidances—touch Enabled to access the road types. Select the road types you wantto avoid on your routes. The nüvi uses these road types only if alternative routes takeyou too far out of your way or if no other roads are available. If you have an FM TMCTraffic Receiver, you can also avoid traffic incidents.Attention Tone—turn on or off the attention tone.Voice Prompts—select when you want the nüvi to announce route navigation andsystem status.