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DOTTireQualityGrading(U.S.Vehicles)
Thetiresonyourvehiclemeetall
U.S.FederalSafetyRequirements.
Alltiresarealsogradedfor
Treadwear
Traction－AA,A,B,C
Thetreadweargradeisacompara-
tiveratingbasedonthewearrateof
Thetractiongrades,fromhighestto
lowest,areAA,A,B,andC.Those
treadwear,traction,andtemperature
performanceaccordingto
thetirewhentestedundercontrolled gradesrepresentthetire’sabilityto
conditionsonaspecifiedgovernment stoponwetpavementasmeasured
testcourse.Forexample,atire
DepartmentofTransportation
(DOT)standards.Thefollowing
explainsthesegradings.
undercontrolledconditionson
specifiedgovernmenttestsurfaces
ofasphaltandconcrete.Atire
markedCmayhavepoortraction
performance.
graded150wouldwearoneandone-
half(11/2)timesaswellonthe
governmentcourseasatiregraded
100.Therelativeperformanceof
tiresdependsupontheactualcondi-
tionsoftheiruse,however,andmay
departsignificantlyfromthenorm
duetovariationsindrivinghabits,
servicepractices,anddifferencesin
roadcharacteristicsandclimate.
UniformTireQualityGrading
Qualitygradescanbefoundwhere
applicableonthetiresidewall
betweenthetreadshoulderandthe
maximumsectionwidth.For
example:
Warning:Thetractiongrade
assignedtothistireisbasedon
straight-aheadbrakingtractiontests,
anddoesnotincludeacceleration,
cornering,hydroplaning,orpeak
tractioncharacteristics.
Treadwear200
TractionAA
TemperatureA
Allpassengercartiresmustconform
toFederalSafetyRequirementsin
additiontothesegrades.
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| Categories | Honda Civic Manuals, Honda Manuals |
|---|---|
| Tags | Honda Civic DX, Honda Civic DX-G, Honda Civic EX, Honda Civic LX, Honda Civic Si |
| Model Year | 2007 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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