Cadillac 2011 SRX Bedienungsanleitung PDF herunterladen (Seite 397)

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Cadillac SRX Owner Manual - 2011

Vehicle Care 10-59

(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.

Tire Designations

Tire Size

The following is 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.

(C) Aspect Ratio

: A two‐digit

number that indicates the tire

height‐to‐width measurement s.

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.

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