Black plate (42,1)Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-8087803) - 2015 -crc - 6/24/1410-42 Vehicle CareTire Pressure forHigh-Speed Operation{ WarningDriving at high speeds, 160 km/h(100 mph) or higher, puts anadditional strain on tires.Sustained high-speed drivingcauses excessive heat buildupand can cause sudden tire failure.You could have a crash and youor others could be killed. Somehigh-speed rated tires requireinflation pressure adjustment forhigh-speed operation. Whenspeed limits and road conditionsare such that a vehicle can bedriven at high speeds, make surethe tires are rated for high-speedoperation, in excellent condition,and set to the correct cold tireinflation pressure for thevehicle load.Vehicles with P245/45R19 98V sizetires require inflation pressureadjustment when driving the vehicleat speeds of 160 km/h (100 mph) orhigher. Set the cold inflationpressure to 260 kPa (38 psi).Vehicles with P245/40R20 95V sizetires require inflation pressureadjustment when driving the vehicleat speeds of 160 km/h (100 mph) orhigher. Set the cold inflationpressure to 270 kPa (39 psi).Return the tires to therecommended cold tire inflationpressure when high-speed drivinghas ended. See Vehicle Load Limitson page 9-9 and Tire Pressure onpage 10-40.Tire Pressure MonitorSystem{ CautionModifications made to the TirePressure Monitor System (TPMS)by anyone other than anauthorized service facility mayvoid authorization to use thesystem.The Tire Pressure Monitor System(TPMS) uses radio and sensortechnology to check tire pressurelevels. The TPMS sensors monitorthe air pressure in your vehicle'stires and transmit tire pressurereadings to a receiver located in thevehicle.Each tire, including the spare (ifprovided), should be checkedmonthly when cold and inflated tothe inflation pressure recommendedby the vehicle manufacturer on thevehicle placard or tire inflationpressure label. (If your vehicle has