Chevrolet Cruze manuals

Chevrolet Cruze Owners Manual: Tire Designations

Tire Size

The following is an example of a typical passenger vehicle tire size.

(1) Passenger (P-Metric) Tire: The United States version of a metric tire

(1) 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.

(2) Tire Width:

The three-digit number indicates the tire section width in millimeters from sidewall to sidewall.

(3) 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 3 of the illustration, it would mean that the tire's sidewall is 60 percent as high as it is wide.

(4) 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.

(5) Rim Diameter:

Diameter of the wheel in inches.

(6) Service Description:

These characters represent the load index and speed rating of the tire. The load index represents the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load.

Tire Sidewall Labeling
Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example (1) Tire Size ...

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: ...

Other materials:

When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires. Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1.6mm (1/16 in) or less of tread rem ...

Rear Window Defogger Description and Operation
Rear Window Defogger System Components The rear window defogger system consists of the following components: HVAC Control Module HVAC Control Head Rear Window Defogger Relay Rear Defogger Grid F28UA 40A Fuse Rear Window Defogger Operation The rear defog control system utilizes a sin ...

Using the Navigation System
Use the NAV button on the faceplate or Home Page to access the navigation map. Press the NAV button again to change between alternative views of the normal split and full map views. The Menu screen button at the bottom right side of the display accesses the Navigation Menu. The touch-sens ...

© 2011-2025 Copyright www.ccruze.com