(A) Temporary Use Only: The compact spare tire ortemporary use tire has a tread life of approximately3,000 miles (5 000 km) and should not be drivenat speeds over 65 mph (105 km/h). The compact sparetire is for emergency use when a regular road tirehas lost air and gone flat. If your vehicle has a compactspare tire, seeCompact Spare Tire on page 5-87andIf a Tire Goes Flat on page 5-75.(B) Tire Ply Material: The type of cord and number ofplies in the sidewall and under the tread.(C) Tire Identification Number (TIN): The letters andnumbers following the DOT (Department ofTransportation) code is the Tire Identification Number(TIN). The TIN shows the manufacturer and plant code,tire size, and date the tire was manufactured. TheTIN is molded onto both sides of the tire, although onlyone side may have the date of manufacture.(D) Maximum Cold Inflation Load Limit: Maximumload that can be carried and the maximum pressureneeded to support that load.(E) Tire Inflation: The temporary use tire or compactspare tire should be inflated to 60 psi (420 kPa).For more information on tire pressure and inflation seeInflation - Tire Pressure on page 5-62.(F) Tire Size: A combination of letters and numbersdefine a tire’s width, height, aspect ratio, constructiontype and service description. The letter T as thefirst character in the tire size means the tire is fortemporary use only.(G) TPC Spec (Tire Performance CriteriaSpecification): Original equipment tires designed toGM’s specific tire performance criteria have a TPCspecification code molded onto the sidewall. GM’s TPCspecifications meet or exceed all federal safetyguidelines.Compact Spare Tire Example5-57
