Saab 9-4X 2011, Owner'S Manual

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Black plate (53,1)
Saab 9-4X Owner Manual - 2011
Vehicle Care 10-53
Tire Sidewall Labeling
Useful information about a tire is
molded into its sidewall. The
examples show a typical
passenger vehicle tire and a
compact spare tire sidewall.
Passenger (P ‐ Metric) Tire Example
(A) Tire Size
:
The tire size is a
combination 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)
:
Original
equipment tires designed to
specific tire performance criteria
have a TPC specification code
molded onto the sidewall. TPC
specifications meet or exceed all
federal safety guidelines.
(C) 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.
(D) Tire Identification Number
(TIN)
:
The letters and numbers
following the DOT (Department
of Transportation) 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.
(E) Tire Ply Material
:
The type
of cord and number of plies in
the sidewall and under the tread.
(F) Uniform Tire Quality
Grading (UTQG)
:
Tire
manufacturers are required to
grade tires based on three
performance factors: treadwear,
traction, and temperature
resistance. For more information
see
Uniform Tire Quality
Grading on page 10 ‑ 72 .