Black plate (69,1)
Acadia, Acadia Denali, Enclave, Traverse, Lucerne Navigation System - 2011
Infotainment System
69
This system may not be available or
interferences may occur if any of the
following is true:
.
Signals are obstructed by tall
buildings, trees, large trucks,
or a tunnel.
.
Objects are located on the rear
shelf of the vehicle.
.
Satellites are being repaired or
improved.
.
After-market glass tinting has
been applied to the vehicle's
rear windshield.
Notice:
Do not apply after-market
glass tinting to the vehicle's
windows. Glass tinting interferes
with the system's ability to
receive GPS signals and causes
the system to malfunction.
The window might have to be
replaced to correct the problem.
This would not be covered by the
warranty.
For more information if the GPS
is not functioning properly, see
Problems with Route Guidance on
page 70
and
.
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.