Cadillac 2010 DTS - Manual (Page 373)

(B) Tire Ply Material : The type of cord and
number of plies in the sidewall and under
the tread.
(C) Tire Identification Number (TIN) : 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.
(D) Maximum Cold Inflation Load Limit :
Maximum load that can be carried and the
maximum pressure needed to support that load.
See Inflation - Tire Pressure on page 6‑59 and
Loading the Vehicle on page 5‑18.
(E) Tire Inflation : The temporary use tire or
compact spare tire should be inflated to 60 psi
(420 kPa). For more information on tire pressure
and inflation see Inflation - Tire Pressure on
page 6‑59 and Spare Tire on page 6‑95.
(F) Tire Size : A combination of letters and
numbers define a tire's width, height, aspect
ratio, construction type and service description.
The letter T as the first character in the tire size
means the tire is for temporary use only.
(G) TPC Spec (Tire Performance Criteria
Specification)
: Original equipment tires designed
to GM's specific tire performance criteria have a
TPC specification code molded onto the sidewall.
GM's TPC specifications meet or exceed all
federal safety guidelines.
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