Saturn 2010 AURA - Manual (Page 316)

GM’s 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 DOT (Department of
Transportation) code is 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 6-62.
(G) Maximum Cold Inflation Load Limit :
Maximum load that can be carried and the
maximum pressure needed to support that load.
(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 compact spare tire, see
Compact Spare Tire on page 6-88 and If a Tire
Goes Flat on page 6-66.
Compact Spare Tire Example
6-46