Infotainment System
79
For more information if the GPS is
not functioning properly, see
If the
System Needs Service on page 80
and
Problems with Route Guidance
on page 80
.
Vehicle Positioning
At times, the position of the vehicle
on the map may be inaccurate due
to one or more of the following
reasons:
.
The road system has changed.
.
The vehicle is driving on slippery
road surfaces such as in sand,
gravel, and/or snow.
.
The vehicle is traveling on
winding roads.
.
The vehicle is on a long
straight road.
.
The vehicle is approaching a tall
building or a large vehicle.
.
The surface streets run parallel
to a freeway.
.
The vehicle has just been
transferred by a vehicle carrier
or a ferry.
.
The current position calibration
is set incorrectly.
.
The vehicle is traveling at high
speed.
.
The vehicle changes directions
more than once, or when the
vehicle is turning on a turn table
in a parking lot.
.
The vehicle is entering and/or
exiting a parking lot, garage, or a
lot with a roof.
.
The GPS signal is not received.
.
A roof carrier is installed on your
vehicle.
.
The vehicle is being driven with
tire chains.
.
The tires are replaced.
.
The tire pressure for your tires is
incorrect.
.
The tires are worn.
.
The first time the map DVD is
inserted.
.
The battery is disconnected for
several days.
.
The vehicle is driving in heavy
traffic where driving is at low
speeds, and the vehicle is
stopped and started repeatedly.
If problems are experienced with the
navigation system, see your dealer.
Summary of Contents for 2011 Full-Size Truck Navigation System
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