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Manual

Tires

Tire sidewall designations

The following information can be found on a tire's sidewall.

Uniform Tire Quality Grading

ALL PASSENGER VEHICLE TIRES MUST CONFORM TO FEDERAL SAFETY REQUIREMENTS IN ADDITION TO THESE GRADES.

Tire terminology

The following is a glossary of tire-related terms.

Tire direction of rotation

Tires with tread designed to roll in only one direction are marked with an arrow on the sidewall.

Tread wear indicator

The tread wear indicator shows the status of the tire's tread.