Buick 2010 Lacrosse Owner's Manual page 333

The letters and numbers
following the DOT (Department
of Transportation) code is 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.
of cord and number of plies in
the sidewall and under the tread.
Tire
manufacturers are required to
grade tires based on three
performance factors: treadwear,
traction, and temperature
resistance. For more information
see
that can be carried and the
maximum pressure needed to
support that load.
The type
type of cord and number of
plies in the sidewall and under
the tread.
.
Maximum load
The
compact spare tire or temporary
use tire has a tread life of
approximately 5 000 km
(3,000 miles) and should not be
driven at speeds over 105 km/h
(65 mph). 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
and
.
The