Cadillac 2010 dts 用户手册
(F) Tire Ply Material
:
The type of cord and
number of plies in the sidewall and under
the tread.
the tread.
(G) Single Tire Maximum Load
:
Maximum load
that can be carried and the maximum pressure
needed to support that load when used as a
single. For information on recommended tire
pressure see Inflation - Tire Pressure on
page 6‑59.
needed to support that load when used as a
single. For information on recommended tire
pressure see Inflation - Tire Pressure on
page 6‑59.
Tire Size
The following illustration shows an example of a
tire size.
tire size.
(A) 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.
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.
to sidewall.
(C) Aspect Ratio
:
A two‐digit number that
indicates the tire height‐to‐width measurements.
For example, if the tire size aspect ratio is 60, as
shown in item C of the illustration, it would mean
that the tire's sidewall is 60 percent as high as it
is wide.
For example, if the tire size aspect ratio is 60, as
shown in item C of the illustration, it would mean
that the tire's sidewall is 60 percent as high as it
is wide.
(D) Construction Code
:
A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction; the
letter D means diagonal or bias ply construction;
and the letter B means belted‐bias ply
construction.
The letter R means radial ply construction; the
letter D means diagonal or bias ply construction;
and the letter B means belted‐bias ply
construction.
(E) Rim Diameter
:
Diameter of the wheel in
inches.
(F) Service Description
:
These characters
represent the load index and speed rating of the
tire. The load index represents the load carry
capacity a tire is certified to carry. The speed
rating is the maximum speed a tire is certified to
carry a load.
tire. The load index represents the load carry
capacity a tire is certified to carry. The speed
rating is the maximum speed a tire is certified to
carry a load.
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