Buick Regal Owner's Manual page 321

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
:
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 62.
(G) Maximum Cold Inflation
Load Limit Maximum load that
:
can be carried and the
maximum pressure needed to
support that load.
The type
Compact Spare Tire Example
(A) Tire Ply Material
of cord and number of plies in
the sidewall and under the tread.
(B) Temporary Use Only
compact spare tire or temporary
use tire has a tread life of
approximately 5 000 km
(3,000 mi) and should not be
driven at speeds over 105 km/h
(65 mph). The compact spare
tire is for emergency use when a
regular road tire has lost air and
gone flat. If the vehicle has a
compact spare tire, see
Compact Spare Tire on
page 10 89 and If a Tire Goes
Flat on page 10 65.
(C) Tire Identification Number
(TIN)
:
following the DOT (Department
of Transportation) code are the
Tire Identification Number (TIN).
The TIN shows the
manufacturer and plant code,
The type
:
tire size, and date the tire was
manufactured. The TIN is
molded onto both sides of the
The
:
tire, although only one side may
have the date of manufacture.
(D) Maximum Cold Inflation
Load Limit
that can be carried and the
maximum pressure needed to
support that load.
Vehicle Care 10-47
The letters and numbers
Maximum load
: