Select > Navigation.
Vehicle Profile: Sets the vehicle profile for each vehicle with which you will use your device.
Map & Vehicle: Sets the map detail level and the vehicle icon to display on your device.
Route Preferences: Sets the route preferences when navigating.
Driver Assistance: Sets driver assistance alerts.
Traffic: Sets the traffic details the device uses. You can set your device to avoid traffic when calculating routes, and to find a new route to your destination if a traffic delay occurs (Avoiding Traffic Delays on Your Route).
Units: Sets the unit of measure used for distances.