Chevrolet 2009 Express Owner's Manual page 297

(G) Maximum Cold Inflation Load Limit
Maximum load that can be carried and the
maximum pressure needed to support that load.
For information on recommended tire pressure see
Inflation - Tire Pressure on page 5-64 and
Loading the Vehicle on page 4-19.
Light Truck (LT-Metric) Tire
(A) Tire Size
:
of letters and numbers used to define a particular
tire's width, height, aspect ratio, construction
type, and service description. See the "Tire Size"
illustration later in this section for more detail.
(B) TPC Spec (Tire Performance Criteria
Specification)
to GM's specific tire performance criteria have
a TPC specification code molded onto the sidewall.
GM's TPC specifications meet or exceed all
federal safety guidelines. This does not apply to
Goodyear LT225/75R16 G949 RSA and Goodyear
LT225/75R16 G933 RSD commercial truck tires.
(C) Dual Tire Maximum Load
that can be carried and the maximum pressure
needed to support that load when used in a dual
configuration. For information on recommended tire
pressure see Inflation - Tire Pressure on page 5-64
and Loading the Vehicle on page 4-19.
(D) DOT (Department of Transportation)
The Department of Transportation (DOT) code
indicates that the tire is in compliance with the
U.S. Department of Transportation Motor Vehicle
Safety Standards.
The tire size code is a combination
:
Original equipment tires designed
:
Maximum load
:
:
5-57