304 VEHICLE CAREperformance, ride and handling,traction control, and tire pressuremonitoring performance. GM'sTPC Spec number is molded ontothe tire's sidewall near the tiresize. If the tires have an all-seasontread design, the TPC Specnumber will be followed by MS formud and snow. See Tire SidewallLabeling 0 291, for additionalinformation.GM recommends replacing worntires in complete sets of four.Uniform tread depth on all tireswill help to maintain theperformance of the vehicle.Braking and handling performancemay be adversely affected if all thetires are not replaced at the sametime. If proper rotation andmaintenance have been done, allfour tires should wear out atabout the same time. See TireRotation 0 301 for information onproper tire rotation. However, if itis necessary to replace only oneaxle set of worn tires, place thenew tires on the rear axle.Winter tires with the same speedrating as the original equipmenttires may not be available for H, V,W, and ZR speed rated tires. Neverexceed the winter tire's maximumspeed capability when usingwinter tires with a lower speedrating.{ WarningTires could explode duringimproper service. Attempting tomount or dismount a tire couldcause injury or death. Only yourdealer or authorized tire servicecenter should mount ordismount the tires.{ WarningMixing tires of different sizes (otherthan those originally installed onthe vehicle), brands, or types maycause loss of control of the vehicle,resulting in a crash or other vehicledamage. Use the correct size, brand,and type of tire on all four wheels.{ WarningUsing bias-ply tires on thevehicle may cause the wheel rimflanges to develop cracks aftermany miles of driving. A tireand/or wheel could fail suddenlyand cause a crash. Use onlyradial-ply tires with the wheelson the vehicle.If the vehicle tires must bereplaced with a tire that does nothave a TPC Spec number, makesure they are the same size, load
