•Use on Front Tires Only
• Due to limited clearance, the following traction devices
are recommended:
Front Wheel Drive (FWD) Models
• Original equipment 225/60R17 and 225/55R18 tire sizes
are not chainable.
• Snow chains are permitted with the use of 215/60R17
tires on size 17 x 7.0 ET41 wheels.
• Use reduced size snow chains with a maximum projec-
tion of 7 mm beyond the tire profile.
Four Wheel Drive (4WD) Non-Trailhawk Models without
a Two-Speed Power Takeoff Unit
• Original equipment 225/65R17 and 225/60R18 tire sizes
are not chainable.
• Snow chains are permitted with the use of 215/60R17
tires on size 17 x 7.0 ET41 wheels.
• Use reduced size snow chains with a maximum projec-
tion of 9 mm beyond the tire profile. Four Wheel Drive (4WD) Non-Trailhawk Models with a
Two-Speed Power Takeoff Unit
•
Snow chains are permitted with 225/65R17 and 225/
60R18 tires.
• Use reduced size snow chains with a maximum projec-
tion of 7 mm beyond the tire profile.
Four Wheel Drive (4WD) Trailhawk Models
• Original equipment 245/65R17 and P245/65R17 sizes
are not chainable.
• Snow chains are permitted with the use of 225/65R17
tires on size 17 x 7.5 ET31 wheels.
• Use reduced size snow chains with a maximum projec-
tion of 9 mm beyond the tire profile.
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 manu-
facturer in each category is shown on the sidewall of the
tires on your vehicle.
All passenger vehicle 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 stopon wet pavement, as measured under controlled condi-
tions on specified government test surfaces of asphalt
and concrete. A tire marked C may have poor traction
performance.
