Department Of Transportation Uniform Tire Quality Grades - Alfa Romeo 2015 4C Owner's Manual

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IF YOU NEED CONSUMER ASSISTANCE 323
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DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
The following tire grading categories were established by
the National Highway Traffic Safety Administration. The
specific grade rating assigned by the tire's manufacturer
in each category is shown on the sidewall of the tires on
your vehicle.
All passenger car tires must conform to Federal safety
requirements in addition to these grades.
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