Route Preferences - Chevrolet CORVETTE - NAVIGATION SYSTEM 2008 User Manual

Calculate: After selecting the new methods, select
Calculate to plan the route with the changes. The map
screen will display.
Detour
7
Detour: Select a detour if there is construction
work, or traffic delays that prevent the original route from
being used.
From this screen, you can select a 1 mile, 3 mile, or
5 mile detour or select to detour the whole route.
After selecting the detour, the system will calculate the
alternate route and the new route will display on the
map screen.
2-44

Route Preferences

F
Route Pref. (Route Preferences): You can select
to have certain types of roads/ferries included in your
route. See "Getting Started on Your Route" under Enter
Destination on page 2-4 for more information.
The following route preferences can be selected
on or off:
c
(Allow Major Roads): This feature allows the
system to use expressways when calculating a route.
If there is no way to reach your destination without using
major roads, the system will automatically include
major roads.