2012 Cadillac Escalade Owner Manual - Page 279

Infotainment System This system may not be available or interferences may occur if any of the following are true: . 7-97 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. For more information if the GPS is not functioning properly, see Vehicle Positioning on page 7‑97 and Problems with Route Guidance on page 7‑98. . 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. Vehicle is being driven with tire chains. Tires are replaced. Tire pressure for the tires is incorrect. Tires are worn. First time the map DVD is inserted. Battery is disconnected for several days. . . . 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. 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. . . . . . . . . . . .