Select > Activity Profiles, select a profile, and select Navigation > Routing.

Activity

Allows you to select an activity for the device to calculate your route (Selecting an Activity for Route Calculation).

Calculation Method

Allows you to select the calculation method to optimize your route.

Lock On Road (requires routable maps)

Locks the position icon, which represents your position on the map, onto the nearest road.

Avoidance Setup (requires routable maps)

Allows you to select the road type you want to avoid.

Recalculation (requires routable maps)

Allows you to select the recalculation method when you deviate from the route.