(A) Temporary Use Only: The compact spare tire or
temporary use tire has a tread life of approximately
3,000miles (5 000 km) and should not be driven
at speeds over 65mph (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 page5-85
and If a Tire Goes Flat on page5-74.
(B) Tire Ply Material: The type of cord and number of
plies in the sidewall and under the tread.
(C) Tire Identification Number (TIN): The letters
andnumbers following the DOT (Department of
Transportation)code is the Tire Identification
Number(TIN). The TIN shows the manufacturer and
plantcode, tire size, and date the tire was manufactured.
TheTIN is molded onto both sides of the tire, although
onlyone 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 60 psi (420kPa).
For more information on tire pressure and inflation see
Inflation - Tire Pressure on page5-64.
(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): Originalequipment tires designed to
GM’sspecific tire performance criteria have a TPC
specificationcode molded onto the sidewall. GM’s TPC
specificationsmeet or exceed all federal safety
guidelines.
Compact Spare Tire Example
5-60