Cadillac DeVille 2005 Owner's Manual page 331

(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 5-72.
(G) Maximum Cold Inflation Load Limit: Maximum
load that can be carried and the maximum pressure
needed to support that load. For information on
recommended tire pressure see Inflation - Tire Pressure
on page 5-65 and Loading Your Vehicle on page 4-30.
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 spare
tire, see Compact Spare Tire on page 5-86 and If a Tire
Goes Flat on page 5-76.
(B) Tire Ply Material: The type of cord and number of
plies in the sidewall and under the tread.
5-59