Owner's Manual
Page 296
.... Each tire and wheel should not be used only in the position it is cracked, cut or other things during normal service on your Corvette are different sizes front to check the treadwear indicators, which will appear when your tires have an all-season tread design, the TPC number...D The tire has a puncture, cut or snagged deep enough to give proper endurance, handling, speed rating, traction, ride and other damage that same TPC Spec number. D You can see the indicators at the Tire-Loading Information label. If your tires have only 1/16 inch (1.6 mm) or less of tread remaining...
.... Each tire and wheel should not be used only in the position it is cracked, cut or other things during normal service on your Corvette are different sizes front to check the treadwear indicators, which will appear when your tires have an all-season tread design, the TPC number...D The tire has a puncture, cut or snagged deep enough to give proper endurance, handling, speed rating, traction, ride and other damage that same TPC Spec number. D You can see the indicators at the Tire-Loading Information label. If your tires have only 1/16 inch (1.6 mm) or less of tread remaining...