Chevrolet 2013 Corvette Owner's Manual page 60

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
Press to
return to the previous screen.
selected destination and waypoints
using this screen. See Destination
and Way Point under
information on storing destinations
and waypoints.
Press to
Press to use
Press to update the
Press to edit the
for
Up to five waypoints and one
destination can be entered:
Press to access the Store
Dest. & Waypoint screen.
A waypoint can be added or the
destination can be changed.
Press to change the order of
the stops in the route and to change
the location of the stops.
Press to delete
waypoints on the route or delete the
entire route.