Buick 2007 Terraza - Manual (Page 451)

(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 464.
(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 486 and If a Tire
Goes Flat on page 470.
Compact Spare Tire Example
451