VEHICLE CARE 265{ 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, loadrange, speed rating, andconstruction (radial) as theoriginal tires.Vehicles that have a tire pressuremonitoring system could give aninaccurate low-pressure warning ifnon-TPC Spec rated tires areinstalled. See Tire Pressure MonitorSystem 0 258.The Tire and Loading Informationlabel indicates the originalequipment tires on the vehicle.See Vehicle Load Limits 0 173 forthe label location and moreinformation about the Tire andLoading Information label.Different Size Tires andWheelsIf wheels or tires are installed that area different size than the originalequipment wheels and tires, vehicleperformance, including its braking,ride and handling characteristics,stability, and resistance to rollovermay be affected. If the vehicle haselectronic systems such as antilockbrakes, rollover airbags, tractioncontrol, electronic stability control,or All-Wheel Drive, the performanceof these systems can also be affected.{ WarningIf different sized wheels are used,there may not be an acceptablelevel of performance and safety iftires not recommended for thosewheels are selected. This increasesthe chance of a crash and seriousinjury. Only use GM specific wheeland tire systems developed for thevehicle, and have them properlyinstalled by a GM certifiedtechnician.See Buying New Tires 0 264 andAccessories and Modifications 0 222.Wheel Alignment and TireBalanceThe tires and wheels were aligned andbalanced at the factory to provide thelongest tire life and best overallperformance. Adjustments to wheelalignment and tire balancing are notnecessary on a regular basis. Consideran alignment check if there is unusualtire wear or the vehicle is significantlypulling to one side or the other. Some
