VEHICLE CARE 295Outward Facing Sidewall : Theside of an asymmetrical tire thathas a particular side that facesoutward when mounted on avehicle. The side of the tire thatcontains a whitewall, bears whitelettering, or bears manufacturer,brand, and/or model namemolding that is higher or deeperthan the same moldings on theother sidewall of the tire.Passenger (P-Metric) Tire : A tireused on passenger cars and somelight duty trucks andmultipurpose vehicles.Recommended InflationPressure : Vehicle manufacturer'srecommended tire inflationpressure as shown on the tireplacard.See Tire Pressure 0 296 and VehicleLoad Limits 0 185.Radial Ply Tire : A pneumatic tirein which the ply cords that extendto the beads are laid at 90 degreesto the centerline of the tread.Rim : A metal support for a tireand upon which the tire beads areseated.Sidewall : The portion of a tirebetween the tread and the bead.Speed Rating : An alphanumericcode assigned to a tire indicatingthe maximum speed at which atire can operate.Traction : The friction betweenthe tire and the road surface. Theamount of grip provided.Tread : The portion of a tire thatcomes into contact with the road.Treadwear Indicators : Narrowbands, sometimes called wearbars, that show across the tread ofa tire when only 1.6 mm (1/16 in)of tread remains. See When It IsTime for New Tires 0 303.UTQGS (Uniform Tire QualityGrading Standards) : A tireinformation system that providesconsumers with ratings for a tire'straction, temperature, andtreadwear. Ratings are determinedby tire manufacturers usinggovernment testing procedures.The ratings are molded into thesidewall of the tire. See UniformTire Quality Grading 0 305.Vehicle Capacity Weight : Thenumber of designated seatingpositions multiplied by68 kg (150 lb) plus the rated cargoload. See Vehicle Load Limits 0 185.Vehicle Maximum Load on theTire : Load on an individual tiredue to curb weight, accessoryweight, occupant weight, andcargo weight.Vehicle Placard : A labelpermanently attached to a vehicleshowing the vehicle capacityweight and the original equipmenttire size and recommendedinflation pressure. See “Tire andLoading Information Label” underVehicle Load Limits 0 185.
