Cadillac CTS 2007, User Manual

Page: 58 / 144

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: Aftermarket glass tinting with metallic
material will interfere with the system’s ability
to receive GPS signals and cause the system to
malfunction. You might have to replace the rear
window to correct the problem. The repairs
would not be covered by your warranty. Do not
apply aftermarket glass tinting with metallic
material to the rear window of your vehicle.
If you are experiencing a problem, see Vehicle
Positioning on page 58 or Problems with Route
Guidance on page 59 for more information.
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.
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