Buick 2013 LaCrosse Owner's Manual page 305

criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet or
exceed all federal safety
guidelines.
The
Department of Transportation
(DOT) code indicates that the
tire is in compliance with the
U.S. Department of
Transportation Motor Vehicle
Safety Standards.
The last four
digits of the TIN indicate the tire
manufactured date. The first two
digits represent the week (01
52) and the last two digits, the
year. For example, the third
week of the year 2010 would
have a four-digit DOT date
of 0310.
The letters and numbers
following the DOT (Department
of Transportation) code are 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
can be carried and the
maximum pressure needed to
support that load.
The type
of cord and number of plies in
the sidewall and under the tread.
compact spare tire or temporary
use tire should not be driven at
.
speeds over 80 km/h (50 mph).
The compact spare tire is for
Maximum load that
The type
The