Black plate (85,1)Cadillac SRX Navigation System - 2011Infotainment System 85. The tire pressure for the tires isincorrect.. The first navigation use after themap data is updated.. The battery is disconnected forseveral days.. The vehicle is driving in heavytraffic where driving is at lowspeeds, and the vehicle isstopped and started repeatedly.Problems with RouteGuidanceInappropriate route guidance canoccur under one or more of thefollowing conditions:. The turn was not made on theroad indicated.. Route guidance might not beavailable when using automaticrerouting for the next right orleft turn.. The route might not be changedwhen using automatic rerouting.. There is no route guidance whenturning at an intersection.. Plural names of places might beannounced occasionally.. It could take a long time tooperate automatic reroutingduring high-speed driving.. Automatic rerouting mightdisplay a route returning to theset waypoint if heading for adestination without passingthrough a set waypoint.. The route prohibits the entry of avehicle due to a regulation bytime or season or any otherregulation which may be given.. Some routes might not besearched.. The route to the destinationmight not be shown if there arenew roads, if roads haverecently changed or if certainroads are not listed in the mapdata. See Maps on page 53 formore information.To recalibrate the vehicle's positionon the map, park the vehicle withthe engine running for two tofive minutes, until the vehicleposition updates.If the System NeedsServiceIf the navigation system needsservice and the steps listed herehave been followed but there arestill problems, see your dealer forassistance.