Dell BT-308 Owner's Manual page 47

Route Preference: Fastest calculates routes based on time. Shortest
calculates routes based on distance. Main Roads calculates routes using
major roads. Local Roads calculates routes with local roads.
Carpool: When checked, routes are calculated to include High Occupancy
Vehicle (HOV) lanes where available.
Ferries: When checked, routes are calculated to include ferries where
available. Note that ferry schedules cannot be included in estimating arrival
times.
Toll Roads: When checked, routes are calculated to include toll roads where
availalble.
To set the route options:
Tap Menu and then tap Route Options.
1
or
Tap the Options menu and then tap Route Options.
The Customize Your Route screen appears.
Tap your Route Preference.
2
To include Carpool (HOV) lanes, tap to turn on the check mark.
3
To include Ferries, tap to turn on the check mark.
4
To include Toll Roads, tap to turn on the check mark.
5
Owner's Manual
45