308 VEHICLE CARECaution (Continued)brake repairs, evenly tighten thewheel nuts in the proper sequenceand to the proper torquespecification.Used Replacement Wheels{ WarningReplacing a wheel with a used oneis dangerous. How it has been usedor how far it has been driven maybe unknown. It could fail suddenlyand cause a crash. When replacingwheels, use a new GM originalequipment wheel.Tire Chains{ WarningIf the vehicle has 225/40R18, 225/40RF18, 255/35RF18, 225/35R19,or 255/30R19 size tires, do not use(Continued)Warning (Continued)tire chains. There is not enoughclearance. Tire chains used on avehicle without the proper amountof clearance can cause damage tothe brakes, suspension, or othervehicle parts. The area damaged bythe tire chains could cause loss ofcontrol and a crash. Use anothertype of traction device only if itsmanufacturer recommends it forthe vehicle's tire size combinationand road conditions. Follow thatmanufacturer's instructions. Toavoid vehicle damage, drive slowand readjust or remove the tractiondevice if it contacts the vehicle. Donot spin the wheels. If tractiondevices are used, install them onthe rear tires.CautionIf the vehicle is equipped with a tiresize other than 225/40R18, 225/40RF18, 255/35RF18, 225/35R19,or 255/30R19, use tire chains onlywhere legal and only whennecessary. Use low profile chainsthat add no more than 12 mmthickness to the tire tread and innersidewall. Use chains that are theproper size for the tires. Installthem on the tires of the rear axle.Don't use chains on the tires of thefront axle. Tighten them as tightlyas possible with the ends securelyfastened. Drive slowly and followthe chain manufacturer'sinstructions. If the chains contactthe vehicle, stop and retightenthem. If the contact continues, slowdown until it stops. Driving too fastor spinning the wheels with chainson will damage the vehicle.
