1993 Chevrolet Cavalier Owner's Manual - Page 234

Service & Appearance Care Buying New Tires To find out what kind and size tires of you need, look at the Tire-Loading Information label. The tires installed on your vehicle when it was new had a Tire Performance Criteria Specification (TPC Spec) number on each tire's sidewall. When you get new tires, get ones with that same TPC Spec number. That way, your vehicle will continue to have tires that are designed to give proper endurance, handling, speed rating, traction, ride and other things during normal service on your vehicle. If your tires have an allseason tread design, the TPC number will be followedby a "MS" (for mud and snow). If you ever replace your tires with those not having a TPC Spec number, make sure they are the same size, load range, speed rating and construction type (bias, bias-belted or radial) as your original tires. d to lose controlwhile driving. Mixing tires could cau'se you Unijiorpn Tire Quality Grading The following information relatesto the system developedby the United States National Highway Traffic Safety Administration which grades tiresby treadwear, traction and temperature performance. (This applies only to vehicles sold in the United States.) If you mix tires of different sizes or types (radial and bias-belted tires), the vehiclemay not handle properly, and you could have a crash. Be sure to use the same size and type tires on wheels. It's al all l right to drivewith your compact spare, though. It was developed for limited use on your vehicle. I I 232