564 9-1 . Specifications
excessive loading , either separately or in combination , can cause heat buildup and possible tire failure .
Glossary of tire terminology
Tire related term
Cold tire inflation pressure
Maximum inflation pressure
Recommended inflation pressure
Accessory weight
Curb weight
Maximum loaded vehicle weight
Normal occupant weight
Occupant distribution
Meaning
Tire pressure when the vehicle has been parked for three hours or more , or has not been driven more than 1 mile or 1.5 km under that condition
The maximum cold inflated pressure to which a tire may be inflated , shown on the sidewall of the tire
Cold tire inflation pressure recommended by a manufacturer
The combined weight ( in excess of those standard items which may be replaced ) of transmission , power steering , power brakes , power windows , power seats , radio and heater , to the extent that these items are available as factoryinstalled equipment ( whether installed or not )
The weight of a motor vehicle with standard equipment , including the maximum capacity of traction battery and coolant , and if so equipped , air conditioning and additional weight optional traction motor
The sum of : ( a ) Curb weight ( b ) Accessory weight ( c ) Vehicle capacity weight ( d ) Production options weight
150 lb . ( 68 kg ) times the number of occupants
specified in the second column of Table 1 * that follows
Distribution of occupants in a vehicle as specified in the third column of Table 1 * below