Tire Designations - Buick Encore GX 2023 Owner's Manual

288 Vehicle Care
(7) Maximum Cold Inflation Load
Limit Maximum load that can be
:
carried and the maximum pressure
needed to support that load.
Compact Spare Tire Example
(1) Tire Ply Material The type of cord
:
and number of plies in the sidewall and
under the tread.
(2) Temporary Use Only The 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
emergency use when a regular road tire
has lost air and gone flat. If the vehicle
has a compact spare tire, see Compact
Spare Tire 0 307 and
If a Tire Goes Flat 0 301.
(3) Tire Identification Number (TIN)
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.
(4) Maximum Cold Inflation Load
Limit Maximum load that can be
:
carried and the maximum pressure
needed to support that load.
(5) 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 0 291.
(6) 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.
(7) 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.

Tire Designations

Tire Size
The example shows a typical passenger
vehicle tire size.
Passenger (P-Metric) Tire
(1) Passenger (P-Metric) Tire
United States version of a metric tire
sizing system. The letter "P" as the first
character in the tire size means a
The
: