Treadwear; Traction Grades - Jeep Wrangler 2008 Owner's Manual

2008 Jeep Wranger
All passenger car tires must conform to Federal safety
requirements in addition to these grades.

Treadwear

The treadwear grade is a comparative rating, based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear 1-1/2 times as
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 signifi-
cantly from the norm due to variations in driving habits,
service practices, and differences in road characteristics
and climate.
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IF YOU NEED CONSUMER ASSISTANCE 443

Traction Grades

The traction grades, from highest to lowest, 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 braking traction tests, and does not
include acceleration, cornering, hydroplaning, or
peak traction characteristics.
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