Global Positioning System (GPS)The navigation system determines the position of yourvehicle by using satellite signals, various vehicle signals,and map data.The Global Positioning System (GPS) locates thecurrent position of your vehicle using signals sent by theUnited States Department of Defense GPS satellites.While your vehicle is receiving signals from thesesatellites, the GPS symbol will not appear on themap screen.However, at times, other interferences such as thesatellite condition, road configuration, the condition ofthe vehicle, and/or other circumstances can interferewith the system’s ability to determine the accurateposition of the vehicle. This is when the GPS symbolwill appear on the map screen.This system may not be available or interferences mayoccur if any of the following are true:• Signals are obstructed by tall buildings, largetrucks, or a tunnel.• Objects are located on the rear shelf.• Satellites are being repaired or improved.• After-market glass tinting has been applied to thevehicle’s rear windshield.Notice: Aftermarket glass tinting with metallicmaterial will interfere with the system’s ability toreceive GPS signals and cause the system tomalfunction. You might have to replace the rearwindow to correct the problem. The repairs wouldnot be covered by your warranty. Do not applyaftermarket glass tinting with metallic material tothe rear window of your vehicle.If you are experiencing a problem, see VehiclePositioning on page 2-40 or Problems with RouteGuidance on page 2-41 for more information.2-39