1993 Cadillac DeVille Owner's Manual - Page 323

0 The tirehas a puncture,cut, or other damage that can't be repaired well because of the size or location of the damage. Buying New Tires To find out what kind and size of tires you need, look at theTire-Loading Information label. The tires installed on your vehicle when was new had a Tire it Performance Criteria Specification (TPC Spec) number oneach tire's sidewall. When you get newtires, get ones with that same TPC Spec number. Thatway, your vehiclewill continue to have tires thatare designed to give proper endurance,handling, speed rating, traction, ride and otherthings during normal service on your vehicle.If your tires have an all-season tread design, the TPC number be followed by a "MS" will (for mud and snow). If you ever replace your tires with those nothaving a TPC Spec number, make surethey are thesame size, load range, speed rating and construction type (bias,bias-belted or radial)as youroriginal tires. I Mixing tires couldcause you to lose controlwhile driving. If you mix tires of different sizes or types (radial and bias-belted tires), the vehiclemay not handleproperly, and you could have a crash. Be sure to use the same and type tires on all wheels. size It's all right to drive with your compact spare, though. It was ll developed for limited useon your vehicIe. Uniform Tire Quality Grading The following information relates to the system developed by the United States National Highway Traffic Safety Administration which grades tires by treadwear, traction and temperature performance. applies only (This to vehicles sold in United States.) the I 310