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Cadillac DTS Owner Manual - 2011
(B) TPC Spec (Tire Performance Criteria
Specification)
: Original equipment tires designed
to GM's specific tire performance criteria have a
TPC specifica tion code molded onto the sidewall.
GM's TPC specifications meet or exceed all
federal safety guidelines.
(C) Dual Tire Maximum Load
: Maximum load
that can be carried and the maximum pressure
needed to support that load when used in a
dual configuration.
(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.
(E) Tire Identificatio n 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 manufacture d. 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 6‑57
.
Tire Size
The following illustration shows an example of a
tire size.
(A) 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 passenge r
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.
6-52