316 VEHICLE CAREWarning (Continued). Replace any tires that havebeen damaged by impactswith potholes, curbs, etc.. Improperly repaired tirescan cause a crash. Onlythe dealer or an authorizedtire service center shouldrepair, replace, dismount,and mount the tires.. Do not spin the tires inexcess of 56 km/h(35 mph) on slipperysurfaces such as snow,mud, ice, etc. Excessivespinning may cause thetires to explode.See Tire Pressure for High-SpeedOperation 0 324 for inflationpressure adjustment forhigh-speed driving.All-Season TiresThis vehicle may come with all-seasontires. These tires are designed toprovide good overall performance onmost road surfaces and weatherconditions. Original equipment tiresdesigned to GM's specific tireperformance criteria have a TPCspecification code molded onto thesidewall. Original equipmentall-season tires can be identified bythe last two characters of this TPCcode, which will be “MS.”Consider installing winter tires on thevehicle if frequent driving on snow orice-covered roads is expected.All-season tires provide adequateperformance for most winter drivingconditions, but they may not offer thesame level of traction or performanceas winter tires on snow or ice-coveredroads. See Winter Tires 0 316.Winter TiresThis vehicle was not originallyequipped with winter tires. Wintertires are designed for increasedtraction on snow and ice-coveredroads. Consider installing winter tireson the vehicle if frequent driving onice or snow covered roads is expected.See your dealer for details regardingwinter tire availability and proper tireselection. Also, see Buying New Tires0 331.With winter tires, there may bedecreased dry road traction, increasedroad noise, and shorter tread life.After changing to winter tires, be alertfor changes in vehicle handling andbraking.If using winter tires:. Use tires of the same brand andtread type on all four wheelpositions.. Use only radial ply tires of thesame size, load range, and speedrating as the original equipmenttires.Winter tires with the same speedrating as the original equipment tiresmay not be available for H, V, W, Y,and ZR speed rated tires. If wintertires with a lower speed rating arechosen, never exceed the tire'smaximum speed capability.
