Cadillac 2011 STS Owner's Manual

Also see for 2011 STS: Brochure Specifications Owner's manual

Black plate (54,1)Cadillac STS Owner Manual - 2011(B) Tire Ply Material : The type of cord andnumber of plies in the sidewall and under thetread.(C) Tire Identification Number (TIN) : The lettersand numbers following the DOT (Department ofTransportation) code is the Tire IdentificationNumber (TIN). The TIN shows the manufacturerand plant code, tire size, and date the tire wasmanufactured. The TIN is molded onto both sidesof the tire, although only one side may have thedate of manufacture.(D) Maximum Cold Inflation Load Limit :Maximum load that can be carried and themaximum pressure needed to support that load.(E) Tire Inflation : The temporary use tire orcompact spare tire should be inflated to 60 psi(420 kPa). For more information on tire pressureand inflation see Inflation - Tire Pressure onpage 6‑58.(F) Tire Size : A combination of letters andnumbers define a tire's width, height, aspect ratio,construction type, and service description. Theletter T as the first character in the tire size meansthe tire is for temporary use only.(G) TPC Spec (Tire Performance CriteriaSpecification) : Original equipment tires designedto GM's specific tire performance criteria have aTPC specification code molded onto the sidewall.GM's TPC specifications meet or exceed allfederal safety guidelines.Tire SizeThe following illustration shows an example of atypical passenger vehicle tire size.(A) Passenger (P‐Metric) Tire : The United Statesversion of a metric tire sizing system. The letter Pas the first character in the tire size means apassenger vehicle tire engineered to standardsset by the U.S. Tire and Rim Association.6-54