Kia Soul 2012 User Manual download pdf (Page 359)

749

Maintenance

7. Uniform tire quality grading

Quality grades can be found where

applicable on the tire sidewall

between tread shoulder and maxi-

mum section width.

For example:

TREADWEAR 200

TRACTION AA

TEMPERATURE A

Tread wear

The tread wear grade is a compara-

tive rating based on the wear rate of

the tire when tested under controlled

conditions on a specified govern-

ment test course. For example, a tire

graded 150 would wear one-and-a-

half times (1½) as well on the gov-

ernment 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 characteristics and climate.

These grades are molded on the

side-walls of passenger vehicle tires.

The tires available as standard or

optional equipment on your vehicle

may vary with respect to grade.

Tires degrade over time, even when

they are not being used. Regardless

of the remaining tread, we recom-

mend that tires be replaced after

approximately six(6) years of normal

service. Heat caused by hot climates

or frequent high loading conditions

can accelerate the aging process.

Traction - AA, A, B & C

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 spec-

ified government test surfaces of

asphalt and concrete. A tire marked

C may have poor traction perform-

ance.

The traction grade assigned to this

tire is based on straight-ahead brak-

ing traction tests, and does not

include acceleration, cornering,

hydroplaning, or peak traction char-

acteristics.

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