Maximum Loaded Vehicle Weight: The sum ofcurb weight, accessory weight, vehicle capacityweight, and production options weight.Normal Occupant Weight: The number ofoccupants a vehicle is designed to seat multipliedby 150 lbs (68 kg). See Loading Your Vehicleon page 322.Occupant Distribution: Designated seatingpositions.Outward Facing Sidewall: The side of anasymmetrical tire that has a particular side thatfaces outward when mounted on a vehicle.The side of the tire that contains a whitewall, bearswhite lettering, or bears manufacturer, brand,and/or model name molding that is higheror deeper than the same moldings on the othersidewall of the tire.Passenger (P-Metric) Tire: A tire used onpassenger cars and some light duty trucks andmultipurpose vehicles.Recommended Inflation Pressure: Vehiclemanufacturer’s recommended tire inflationpressure as shown on the tire placard. SeeInflation - Tire Pressure on page 407 and LoadingYour Vehicle on page 322.Radial Ply Tire: A pneumatic tire in which the plycords that extend to the beads are laid at 90degrees to the centerline of the tread.Rim: A metal support for a tire and upon whichthe tire beads are seated.Sidewall: The portion of a tire between the treadand the bead.Speed Rating: An alphanumeric code assignedto a tire indicating the maximum speed atwhich a tire can operate.Traction: The friction between the tire and theroad surface. The amount of grip provided.Tread: The portion of a tire that comes intocontact with the road.406
