80
Infotainment System
Problems with Route
Guidance
Inappropriate route guidance may
occur under one or more of the
following conditions:
.
You have not turned onto the
road indicated.
.
Route guidance may not be
available when using automatic
rerouting for the next right or
left turn.
.
The route may not be changed
when using automatic rerouting.
.
There is no route guidance when
turning at an intersection.
.
Plural names of places may be
announced occasionally.
.
It may take a long time to
operate automatic rerouting
during high-speed driving.
.
Automatic rerouting may display
a route returning to the set
waypoint if you are heading for
a destination without passing
through a set waypoint.
.
The route prohibits the entry of a
vehicle due to a regulation by
time or season or any other
regulation which may be given.
.
Some routes may not be
searched.
.
The route to the destination may
not be shown if there are new
roads, if roads have recently
changed, or if certain roads
are not listed on the map DVD.
See
Ordering Map DVDs on
page 80
.
To recalibrate the vehicle's position
on the map, see your dealer.
If the System Needs
Service
If the navigation system needs
service and the steps listed here
have been followed but there are
still problems, see your dealer for
assistance.
Ordering Map DVDs
The map DVD in the vehicle is
the most up-to-date information
available when the vehicle was
produced. The map DVD is updated
periodically, provided that the map
information has changed.
For any questions about the
operation of the navigation system
or the update process, contact
the GM Nav Disc Center toll
‐
free
phone number, 1
‐
877
‐
NAV
‐
DISC
(1
‐
877
‐
628
‐
3472) or go
to the center's website,
www.gmnavdisc.com. For any
updates or replacements, call
the GM Nav Disc Center or order a
new disc online. Have the Vehicle
Identification Number (VIN)
available when ordering to ensure
the correct and most up-to-date
DVD map disc for the vehicle is
sent. See
“
Vehicle Identification
Number (VIN)
”
in the Index of the
vehicle's owner manual for more
information.
Summary of Contents for 2011 Full-Size Truck Navigation System
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