Global Positioning System (GPS)
The navigation system determines the position of
your vehicle by using satellite signals, various
vehicle signals, and map data.
At times, other interferences such as the satellite
condition, road configuration, the condition of
the vehicle and/or other circumstances can
interfere with the navigation system’s ability to
determine the accurate position of the vehicle.
The GPS shows the current position of your
vehicle using signals sent by the GPS Satellites
of the United States Department of Defense.
When your vehicle is not receiving signals from
the satellites, a symbol will appear on the
map screen. Refer to Symbols on page 22.
This system may not be available or interferences
may occur if any of the following are true:
• Signals are obstructed by tall buildings, large
trucks, or a tunnel.
• Objects are located on the rear shelf.
• 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 will
interfere with the system’s ability to receive
GPS signals and cause the system to
malfunction. You might have to replace the
window to correct the problem. This would
not be covered by your warranty.
For more information if you are experiencing
a problem, see If the System Needs Service on
page 55 and Problems with Route Guidance
on page 55.
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