Tire Designations - Buick 2011 LaCrosse Owner's Manual

regular road tire has lost air
and gone flat. If your vehicle
has a compact spare tire,
see Compact Spare Tire on
page 10 84 and If a Tire Goes
Flat on page 10 68.
(C) Tire Identification Number
(TIN) 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.
(D) Maximum Cold Inflation
Load Limit Maximum load
:
that can be carried and the
maximum pressure needed to
support that load.
(E) Tire Inflation The
:
temporary use tire or compact
spare tire should be inflated to
420 kPa (60 psi). For more
information on tire pressure and
inflation see Tire Pressure on
page 10 53.
(F) Tire Size A combination of
:
letters and numbers define a
tire's width, height, aspect ratio,
construction type, and service
description. The letter T as the
first character in the tire size
means the tire is for temporary
use only.
(G) TPC Spec (Tire
Performance Criteria
Specification) Original
:
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet
or exceed all federal safety
guidelines.
Vehicle Care

Tire Designations

Tire Size
The following illustration shows
an example of a typical
passenger vehicle tire size.
(A) Passenger (P Metric) Tire
The United States version of a
metric tire sizing system. The
letter P as the first character in
the tire size means a passenger
vehicle tire engineered to
standards set by the U.S. Tire
and Rim Association.
(B) Tire Width The three digit
:
number indicates the tire section
width in millimeters from
sidewall to sidewall.
10-49
: