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Black plate (77,1)
Cadillac Escalade EXT Owner Manual - 2011
Infotainment System 7-77
The GPS shows the current position
of the vehicle using signals sent by
the GPS Satellites of the United
States Department of Defense.
When the vehicle is not receiving
signals from the satellites, a symbol
appears on the map screen. Refer
to Global Positioning System (GPS)
on page 7‑76.
This system may not be available or
interferences may occur if any of the
following are true:
.
Signals are obstructed by tall
buildings, trees, large trucks,
or a tunnel.
.
Objects are located on the front
dash of the vehicle.
.
Satellites are being repaired or
improved.
.
After-market glass tinting has
been applied to the vehicle's
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 Vehicle
Positioning on page 7‑77 and
Problems with Route Guidance on
page 7‑78.
Vehicle Positioning
At times, the position of the vehicle
on the map may be inaccurate due
to one or more of the following
reasons:
.
Road system has changed.
.
Vehicle is driving on slippery
road surfaces such as in sand,
gravel, and/or snow.
.
Vehicle is traveling on winding
roads.
.
Vehicle is on a long
straight road.
.
Vehicle is approaching a tall
building or a large vehicle.
.
Surface streets run parallel to a
freeway.
.
Vehicle has just been transferred
by a vehicle carrier or a ferry.
.
Current position calibration is set
incorrectly.
.
Vehicle is traveling at high
speed.
.
Vehicle changes directions more
than once, or when the vehicle is
turning on a turn table in a
parking lot.
.
Vehicle is entering and/or exiting
a parking lot or a garage.
.
GPS signal is not received.
.
Roof carrier is installed on the
vehicle.