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 signicantly from the norm due to var-
iations in driving habits, service practices and dif-
ferences in road characteristics and climate.
TTrraction graction gradeade
&DDANANGERGER Risk of accident due to inade-
quate traction
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests.
#Always adapt your driving style and drive
at a speed to suit the prevailing trac
and weather conditions.
*NNOOTETE Damage to the drivetrain from
wheelspin
#Avoid wheelspin.
The traction grades, from highest to lowest, are
AA, A, B, and C. Those grades represent the tire's
ability to stop on wet pavement as measured
under controlled conditions on specied govern-
ment test surfaces of asphalt and concrete. A tire
marked C may have poor traction performance.
TTememperperaturaturegregradeade
&WWARNINGARNING Risk of accident from tire over-
heating and tire failure
Excessive speed, underination, or excessive
loading, either separately or in combination,
can cause excessive heat build-up and possi-
ble tire failure.
#Observe therecommended tire pressure.
#Regularlycheck the pressure of all the
tires.
#Adjust the tire pressure, if necessary.
The temperature grades are A (the highest), B,
and C, representing the tire's resistance to the
generation of heat and its ability to dissipate heat
when tested under controlled conditions on a
specied indoor laboratory test wheel. Sustained
high temperature can cause the material of the
tire to degenerate and reduce tire life, and exces-
sive temperature can lead to sudden tire failure.
The grade C corresponds to a level of perform-
ance which all passenger car tires must meet
under theFederal Motor SafetyStandard No.
109. Grades B and A represent higher levels of
performance on the laboratory test wheel than
the minimum required by law.
DOTDOT, T, TirireeIdenticationIdentication Number (TIN)Number (TIN)
US tire regulations stipulate that every tire manu-
facturer or retreader must imprint a TIN in or on
the side wall of each tire produced.
Wheels and tires 393393
