GMC 2011 Full-Size Truck Navigation System User Manual page 57

Coverage: Press to view the areas
covered by the map DVD.
Press the arrows to view each
region of the map DVD. The screen
displays the major cities for the
selected region.
XM NavTraffic
(USA and Canada)
The vehicle's navigation system
may have an XM NavTraffic
receiver. XM NavTraffic
subscription service provided
via XM Satellite Radio. XM
NavTraffic provides real-time
traffic information fully integrated
to the navigation system to display
current traffic conditions for a
driver s chosen route and
surrounding area. XM NavTraffic
allows drivers to make the most
informed, timesaving routing
decisions.
If the Traffic screen button is
pressed or if an attempt is made
to turn on the traffic display in the
Navigation Setup Menu without
a subscription, a warning screen
displays indicating that XM traffic
is not activated.
Infotainment System
is a
Three types of traffic information for
major roadways are displayed on
the navigation system:
Unscheduled traffic incident
data, such as accidents and
disabled vehicles
Scheduled traffic incident data,
such as road construction and
road closures
Traffic flow information (rate of
speed data)
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