2014 Cadillac Escalade ESV Owner Manual - Page 267

Infotainment System 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 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 7-94. This system may not be available or interferences may occur if any of the following are true: . . 7-95 After-market glass tinting has been applied to the vehicle's windshield. . 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. 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 7-95 and Problems with Route Guidance on page 7-96. . . . . . . . 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. 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. .