Mazda 2002 Millenia Spezifikationen PDF herunterladen (Seite 228)

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Customer Information

Form No. 8Q47-EA-01F

Uniform Tire Quality Grading System (UTQGS)

This information relates to the tire grading system developed by the U.S. National

Highway Traffic Safety Administration for grading tires by tread wear, traction, and

temperature performance.

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Tread Wear

The tread wear grade is a comparative rating based on the wear rate of the tire when tested

under controlled conditions on a specified government test course.

For example, a tire graded 150 would wear one-and-a-half times as well on the government

course as a tire graded 100.

The relative performance of tires depends upon the actual conditions of their use, however,

and may depart significantly from the norm because of variations in driving habits, service

practices and differences in road characteristics and climate.

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Traction-AA, A, B, C

The traction grades, from highest to lowest, are AA, A, B, and C. These grades represent

the tire’s ability to stop on wet pavement as measured under controlled conditions on

specified government test surfaces of asphalt and concrete. A tire marked C may have poor

traction performance.

Uniform Tire Quality Grading System (UTQGS)

The traction grade assigned to this tire is based on braking (straight ahead) traction

tests and does not include acceleration cornering (turning), hydroplaning, or peak

traction characteristics.

WARNING

J76Y.book Page 12 Wednesday, March 27, 2002 5:04 PM

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Mazda 2002 Millenia Spezifikationen Seite 228