Black plate (73,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Vehicle Care 10-73Radial Ply Tire : A pneumatictire in which the ply cords thatextend to the beads are laid at90 degrees to the centerline ofthe tread.Rim : A metal support for a tireand upon which the tire beadsare seated.Sidewall : The portion of a tirebetween the tread and the bead.Speed Rating : An alpha-numeric code assigned to a tireindicating the maximum speedat which a tire can operate.Traction : The friction betweenthe tire and the road surface.The amount of grip provided.Tread : The portion of a tirethat comes into contact withthe road.Treadwear Indicators : Narrowbands, sometimes called wearbars, that show across thetread of a tire when only1.6 mm (1/16 in) of treadremains. See When It Is Timefor New Tires on page 10‑82.UTQGS (Uniform TireQuality Grading Standards) :A tire information system thatprovides consumers withratings for a tire's traction,temperature, and treadwear.Ratings are determined bytire manufacturers usinggovernment testing procedures.The ratings are molded into thesidewall of the tire. See UniformTire Quality Grading onpage 10‑85.Vehicle Capacity Weight :The number of designatedseating positions multiplied by68 kg (150 lbs) plus the ratedcargo load. See Vehicle LoadLimits on page 9‑12.Vehicle Maximum Load on theTire : Load on an individual tiredue to curb weight, accessoryweight, occupant weight, andcargo weight.Vehicle Placard : A labelpermanently attached to avehicle showing the vehiclecapacity weight and theoriginal equipment tire sizeand recommended inflationpressure. See “Tire and LoadingInformation Label” under VehicleLoad Limits on page 9‑12.
