and one-half times as well on thegovernment
course as atiregraded100.
The relativeperformanceoftires depends upon
theactual conditions of their use, however, and
maydepartsignificantlyfromthe normdue to
variations in drivinghabits, servicepracticesand
differences in road characteristicsand climate
conditions.
Tractiongrade
&
DANGER Risk of accidentdue to inade‐
quatetraction
The traction grade assigned to this tireis
based on straight-ahead brakingtraction
tests, and does notinclude either accelera‐
tion, cornering, hydroplaning or peak traction
characteristics.
#
Alwaysadaptyour driving styleand
driveataspeed to suit theprevailing
trafficand weather conditions.
*
NOTE Damage to thedrivetrainfrom
wheelspin
#
Avoid wheelspin.
The traction grades –fromhighesttolowest –
areAA, A, Band C. Those grades represent the
tire'sability to stop on wetpavement as meas‐
ured under controlledconditions on specified
government test surfaces madeofasphalt and
concrete.
Temperaturegrade
&
WARNING Risk of accident from tire
overheating and tirefailure
The temperaturegrade forthis tireisestab‐
lishedfor atirethat is properly inflated and
notoverloaded. Excessivespeed, underinfla‐
tion, or excessiveloading, either separately
or in combination, can cause excessiveheat
build-up and possible tirefailure.
#
Observe therecommendedtirepres‐
suresand regularly checkthe tirepres‐
sureofall tires including thespare
wheel.
#
Adjustthe tirepressureasnecessary.
The temperaturegrades areA(thehighest), B
and C. Theyrepresent thetire's resistance to the
generation of heatand its ability to dissipate
heat when tested under controlled conditions on
aspecified indoor laboratorytestwheel. Sus‐
tained high temperatures can cause thematerial
of thetiretodegenerateand reduce tirelife. Fur‐
thermore, excessivetemperatures can lead to
sudden tirefailure. Grade Ccorresponds to a
levelofperformancewhichall passenger car
tires mustmeetunderthe requirements of the
US Department of Transportation.
DOT, Tire Identification Number(TIN)
US tireregulations stipulatethat every tireman‐
ufacturerorretreader must imprint aTIN in or
on theside wall of eachtireproduced.
324
Wheels and tires
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