Cadillac 2011 STS - Manual (Page 403)

Black plate (53,1) Cadillac STS Owner Manual - 2011
(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 6‑71.
(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 compact spare tire, see
Compact Spare Tire on page 6‑105 and If a Tire
Goes Flat on page 6‑74.
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