GMC 2008 Envoy - Manual (Page 356)

GAWR RR : Gross Axle Weight Rating for the rear
axle. See Loading Your Vehicle on page 4-34.
Intended Outboard Sidewall : The side of
an asymmetrical tire, that must always face
outward when mounted on a vehicle.
Kilopascal (kPa) : The metric unit for air pressure.
Light Truck (LT-Metric) Tire : A tire used on
light duty trucks and some multipurpose passenger
vehicles.
Load Index : An assigned number ranging
from 1 to 279 that corresponds to the load
carrying capacity of a tire.
Maximum Inflation Pressure : The maximum air
pressure to which a cold tire can be inflated.
The maximum air pressure is molded onto the
sidewall.
Maximum Load Rating : The load rating for a tire
at the maximum permissible inflation pressure for
that tire.
Maximum Loaded Vehicle Weight : The sum of
curb weight, accessory weight, vehicle capacity
weight, and production options weight.
Normal Occupant Weight : The number of
occupants a vehicle is designed to seat multiplied
by 150 lbs (68 kg). See Loading Your Vehicle
on page 4-34.
Occupant Distribution : Designated seating
positions.
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