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from the norm due to variations in driving
habits, service practices, and differences
in road characteristics and climate.
Traction Grades
The Traction grades, from highest to low-
est, 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 perfor-
mance.
WARNING!
The traction grade assigned to this
tire is based on straight-ahead brak-
ing traction tests, and does not in-
clude acceleration, cornering, hydro-
planing,
or
peak
traction
characteristics.
Temperature Grades
The temperature grades are A (the high-
est), B, and C, representing the tire’s
resistance to the generation of heat and its
ability to dissipate heat, when tested un-
der controlled conditions on a specified
indoor laboratory test wheel. Sustained
high temperature can cause the material
of the tire to degenerate and reduce tire
life, and excessive temperature can lead
to sudden tire failure. The grade C corre-
sponds to a level of performance, which
all passenger car tires must meet under
the Motor Vehicle Safety Standard No.
109. Grades B and A represent higher
levels of performance on the laboratory
test wheel, than the minimum required by
law.
WARNING!
The temperature grade for this tire is
established for a tire that is properly
inflated and not overloaded. Exces-
sive speed, under-inflation, or exces-
sive loading, either separately or in
combination, can cause heat buildup
and possible tire failure.
IF YOU NEED CONSUMER ASSISTANCE
406