Buick LaCrosse 2011 Owner's Manual page 361

(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
:
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 66.
(G) Maximum Cold Inflation
Load Limit
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.
I n f o r ma t i o n P r o v i d e d b y :
Maximum load
:
The type
:
Vehicle Care
(B) Temporary Use Only
The 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 85 and If a Tire Goes
Flat on page 10 70.
10-49
: