Cadillac 2007 XLR - Manual (Page 282)

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 you experience problems with your system, see
your dealer.
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