Wheels and Tires GlossaryAccessory WeightThe combined weight (in excess of those items replaced) of
items available as factory installed equipment.BeadThe inner edge of a tire that is shaped to fit to the rim and form an air tight seal. The bead is constructed of steel wires which
are wrapped, or reinforced, by the ply cords.Cold Tire PressureThe air pressure in a tire that has been standing in excess of three hours, or driven for less than one mile.Curb WeightThe weight of a standard vehicle, including any optional
equipment fitted, and with the correct fluid levels.Gross Vehicle WeightThe maximum permissible weight of a vehicle with driver,
passengers, load, luggage, and equipment.kPa (kilo pascal)A metric unit used to measure pressure. One kilo pascal equals
approximately 0.145 psi.Maximum Inflation PressureThe maximum pressure to which the tire should be inflated. This pressure is given on the tire side wall in psi (lbf/in).Caution: This pressure marked on the tire is the maximum
allowed by the tire manufacturer. It is not the pressure Tesla recommends using for Model S.Maximum Loaded Vehicle
WeightThe sum of curb weight, accessory weight, vehicle capacity
weight, and production options weight.Production Options WeightThe combined weight of options installed which weigh in
excess of 3 lb more than the standard items that they replaced, and are not already considered in curb or accessory weights.PSI (lbf/in)Pounds per square inch (the unit used to measure tirepressure).Recommended Tire Inflation
PressureTire inflation pressure, established by Tesla, which is based on the type of tires that are mounted on the vehicle at the factory.
This information can be found on the Tire and Loading
Information label located on the door pillar.RimThe metal support for a tire, or tire and tube, upon which the
tire beads are seated.Vehicle Capacity WeightThe number of seats multiplied by 150 lbs plus the rated amount of load/luggage.
Wheels and Tires
148Model S Owner's Manual