Pontiac 2005 Grand Prix, Manual

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7
Detour: You can 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 you may also choose to detour
the whole route if necessary. After selecting the detour,
the system will calculate the alternate route and you
will see the new route on the map screen.
F
Route Pref. (Route Preferences): You can select
to have certain types of roads/ferries included in
your route planning. See “Getting Started on Your
Route” under Enter Destination on page 2-5 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 route you
on these roads.
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