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DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
The following tire grading categories were established by
the National Highway Traffic Safety Administration. The
specific grade rating assigned by the tire’s manufacturer
in each category is shown on the sidewall of the tires on
your vehicle.
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 one and one-half
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
significantly from the norm due to variations in driving
habits, service practices, and differences in road charac-
teristics and climate.
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 performance.
9
IF YOU NEED CONSUMER ASSISTANCE
493
Summary of Contents for 2014 Avenger
Page 1: ...Avenger O W N E R S M A N U A L 2 0 1 4 ...
Page 4: ......
Page 7: ...1 INTRODUCTION 5 ...
Page 10: ......
Page 104: ......
Page 140: ...138 UNDERSTANDING THE FEATURES OF YOUR VEHICLE ...
Page 141: ...3 UNDERSTANDING THE FEATURES OF YOUR VEHICLE 139 ...
Page 142: ...140 UNDERSTANDING THE FEATURES OF YOUR VEHICLE ...
Page 211: ...INSTRUMENT CLUSTER 4 UNDERSTANDING YOUR INSTRUMENT PANEL 209 ...
Page 212: ...INSTRUMENT CLUSTER R T 210 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 286: ...284 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 347: ...5 STARTING AND OPERATING 345 ...
Page 424: ......
Page 486: ......
Page 497: ...INDEX 10 ...