2006 Lexus GS 300 Owners Manual - Page 1206

CHASSIS Tire related term Rim size designation Rim type designation Rim width Vehicle maximum load on the tire Vehicle normal load on the tire Weather side rim diameter and width the industry of manufacturer's designation for a rim by style or code nominal distance between rim flanges the load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by two the load on an individual tire that is determined by distributing to each axle its share of the curb weight, accessory weight, and normal occupant weight (distributed in accordance with Table 1 that follows) and dividing by two the surface area of the rim not covered by the inflated tire Meaning Table 1 - Occupant loading and distribution for vehicle normal load for various designated seating capacities Designated seating capacity, Number of occupants 2 through 4 5 through 10 Vehicle normal load, Number of occupants 2 3 Occupant distribution in a normally loaded vehicle 2 in front 2 in front, 1 in second seat 560