Chevrolet 2011 Corvette Navigation System Navigation Manual page 68

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 calculates the alternate
route and the new route displays
on the map screen.
You can select
to have certain types of roads/
ferries included in your route.
See Getting Started on Your
Route under
for more information.
The following route preferences can
be selected on or off:
use expressways when calculating
a route. If there is no way to reach
your destination without using major
roads, the system automatically
includes major roads.
Press to use time restricted roads
when calculating a route. These are
roads that may be closed during the
winter season.
use toll roads or pay roads when
calculating a route.
ferries when calculating a route.
changes in the current route.
The map screen displays.
If any of these features are turned
off, the button is dark and there is a
red slash through the icon on the
map screen.
Once the route preferences have
been set, select the back button to
return to the previous screen.
Press to
Press to
Press to use
Press to update the