Toyota Prius 2011 Manual page 588

6-1. Specifications
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
588
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 stan-
dard items which may be replaced) of trans-
mission, power steering, power brakes, power
windows, power seats, radio and heater, to the
extent that these items are available as factory-
installed equipment (whether installed or not)
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight