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Because your vehicle's tires may wear unevenly, you may need
to replace them before a wear band appears across the entire
tread.
When replacing full size tires, never mix radial,
bias-belted, or bias-type tires. Use only the tire sizes that
are listed on the tire pressure decal. Make sure that all
tires are the same size, speed rating, and load-carrying
capacity. Use only the tire combinations recommended on
the decal. If you do not follow these precautions, your
vehicle may not drive properly and safely.
Tires that are larger or smaller than your vehicle's original tires
may also affect the accuracy of your speedometer.
Information About Tire Quality Grades
New vehicles are fitted with tires that have their Tire Quality
Grade (described below) molded into the tire's sidewall. These
Tire Quality Grades are determined by standards that the
United States Department of Transportation has set.
Tire Quality Grades apply to new pneumatic tires for use on
passenger cars. They do not apply to deep tread, winter-type
snow tires, space-saver or temporary use spare tires, tires with
nominal rim diameters of 10 to 12 inches or limited production
tires as defined in Title 49 Code of Federal Regulations Part
575.104(c)(2).
U.S. Department of Transportation — Tire quality grades: The
U.S. Department of Transportation requires Ford to give you the
following information about tire grades exactly as the
government has written it.
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RWARNING
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