Chevrolet 2011 Volt Owner's Manual page 262

7-72 Infotainment System
Alternate Route
When Alternate Route Available
displays, a possible quicker route
is available and can be selected to
detour around the traffic condition.
Press the Yes screen button and the
new route is calculated. This option
is only available when the multiple
car icon appears.
XM NavTraffic information might not
be provided for the alternate route,
depending on what type of road the
vehicle is traveling on.
Traffic Condition Symbols
The following traffic condition
symbols may display:
Stopped Traffic Traffic Jam
Accident Road Closed
Lane Narrows Road
Construction
Alert Road Condition
Road Visibility Other