Vehicle Care 10-45Intended Outboard Sidewall :The side of an asymmetrical tire,that must always face outwardwhen mounted on a vehicle.Kilopascal (kPa) : The metricunit for air pressure.Light Truck (LT-Metric) Tire : Atire used on light duty trucks andsome multipurpose passengervehicles.Load Index : An assignednumber ranging from 1 to 279that corresponds to the loadcarrying capacity of a tire.Maximum Inflation Pressure :The maximum air pressure towhich a cold tire can be inflated.The maximum air pressure ismolded onto the sidewall.Maximum Load Rating : Theload rating for a tire at themaximum permissible inflationpressure for that tire.Maximum Loaded VehicleWeight : The sum of curbweight, accessory weight,vehicle capacity weight, andproduction options weight.Normal Occupant Weight : Thenumber of occupants a vehicleis designed to seat multiplied by68 kg (150 lbs). See VehicleLoad Limits on page 9‑14.Occupant Distribution :Designated seating positions.Outward 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, bearswhite lettering, or bearsmanufacturer, brand, and/ormodel name molding that ishigher or deeper than the samemoldings on the other sidewallof the tire.Passenger (P-Metric) Tire : Atire used on passenger cars andsome light duty trucks andmultipurpose vehicles.Recommended InflationPressure : Vehiclemanufacturer's recommendedtire inflation pressure as shownon the tire placard. See TirePressure on page 10‑46 andVehicle Load Limits onpage 9‑14.Radial 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.