Buick Lucerne 2011 Owner's Manual page 345

(E) Tire Ply Material
:
number of plies in the sidewall and under the
tread.
(F) Uniform Tire Quality Grading (UTQG)
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 75.
(G) Maximum Cold Inflation Load Limit
Maximum load that can be carried and the
maximum pressure needed to support that load.
The type of cord and
:
:
Tire
(A) Temporary Use Only
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 97 and If a Tire
Goes Flat on page 6 78.
Compact Spare Tire Example
The compact spare
:
6-59