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Buick Lucerne Owner Manual - 2011
(D) Tire Identificat ion Number (TIN): The letters
and numbers following DOT (Department of
Transportation ) code is the Tire Identification
Number (TIN). The TIN shows the manufact urer
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 6‑74
.
(G) Maximum Cold Inflation Load Limit
:
Maximum load that can be carried and the
maximum pressure needed to support that load.
Compact Spare Tire Example
(A) Temporary Use Only: The compact spare tire
or temporary use tire has a tread life of
approximately 3,000 miles (5 000 km) and should
not be driven at speeds over 65 mph (105 km/h).
The compact spare tire is for emergency use
when a regular road tire has lost air and gone flat.
If your vehicle has a compac t spare tire, see
Compact Spare Tire
on page 6‑96
and If a Tire
Goes Flat
on page 6‑78
.
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