uu
Checking and Maintaining Tires
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DOT Tire Quality Grading (U.S. Vehicles)
590
Main
tenan
ce
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 specified
government test surfaces of asphalt and concrete. A tire marked
C may have poor traction performance.
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 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 corresponds to a level of performance which
all passenger car tires must meet under the Federal 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.
■
Traction
■
Temperature
1
Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction tests,
and does not include acceleration,
cornering, hydroplaning, or peak
traction characteristics.
1
Warning: The temperature grade for
this tire is established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive loading,
either separately or in combination,
can cause heat buildup and possible
tire failure.
17 CIVIC 5D (KA KC KL)-31TGG6000.book 590 ページ 2017年3月1日 水曜日 午後3時31分
Summary of Contents for Civic Hatch 2017
Page 1: ...2017 Civic Hatch OWNER S MANUAL ...
Page 78: ...76 17 CIVIC 5D KA KC KL 31TGG6000 book 76 ページ 2017年3月1日 水曜日 午後3時31分 ...
Page 146: ...144 17 CIVIC 5D KA KC KL 31TGG6000 book 144 ページ 2017年3月1日 水曜日 午後3時31分 ...
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Page 686: ...17 CIVIC 5D KA KC KL 31TGG6000 book 684 ページ 2017年3月1日 水曜日 午後3時31分 ...