GMC 2004 Envoy, Owner'S Manual, Page: 367 / 466

(E) Tire Identification Number (TIN): The letters
and numbers following DOT code are the Tire
Identification Number (TIN). The TIN shows the
manufacturer and plant code, tire size, and date the
tire was manufactured. The TIN is molded onto
both sides of the tire, although only one side may
have the date of manufacture.
(F) Tire Ply Material: The type of cord and number
of plies in the sidewall and under the tread.
(G) Single Tire Maximum Load: Maximum load
that can be carried and the maximum pressure
needed to support that load when used as a single.
For information on recommended tire pressure
see Inflation - Tire Pressure on page 5-64 and
Loading Your Vehicle on page 4-49.
Tire Size
The following examples show the different parts of
a tire size.
(A) Passenger (P-Metric) Tire: The United States
version of a metric tire sizing system. The letter “P”
as the first character in the tire size means a passenger
vehicle tire engineered to standards set by the U.S.
Tire and Rim Association.
(B) Tire Width: The three-digit number indicates the
tire section width in millimeters from sidewall to sidewall.
Passenger (P-Metric) Tire
5-59