Owner's Manual
Page 296
... vehicle, the wheel rim flanges could develop cracks after many miles of driving. GM's TPC Spec number is molded onto the tire's sidewall by a MS, for mud and snow. This way, your vehicle will continue to give the same performance and vehicle safety, during normal use, as the original tires...
... vehicle, the wheel rim flanges could develop cracks after many miles of driving. GM's TPC Spec number is molded onto the tire's sidewall by a MS, for mud and snow. This way, your vehicle will continue to give the same performance and vehicle safety, during normal use, as the original tires...