Maintenance
Tread wear
Traction - AA, A, B & C
WARNING - Tire
The tread wear grade is a compara- The traction grades, from highest to
tive rating based on the wear rate of lowest, are AA, A, B and C. The
the tire when tested under controlled grades represent the tires ability to
conditions on a specified govern- stop on wet pavement as measured
ment test course. For example, a tire under controlled conditions on spec-
graded 150 would wear one-and-a- ified government test surfaces of
half times as well on the government asphalt and concrete. A tire marked
temperature
1
2
3
4
5
6
7
8
9
The temperature grade for this
tire is established for a tire that
is properly inflated and not
overloaded. Excessive speed,
underinflation,
or
excessive
course as a tire graded 100.
C may have poor traction perfor-
mance.
loading, either separately or in
combination, can cause heat
build-up and possible sudden
tires failure.This can cause loss
of vehicle control and serious
injury or death.
The relative performance of tires
depends upon the actual conditions
of their use. However, performance
may differ from the norm because of
variations in driving habits, service
practices and differences in road
characteristics and climate.
Temperature -A, B & C
The temperature grades are A (the
highest), B and C. The grades repre-
sent the tire’s resistance to the gen-
eration of heat and its ability to dissi-
These grades are molded on the pate heat when tested under con-
side-walls of passenger vehicle tires. trolled conditions on a specified
The tires available as standard or indoor laboratory test wheel.
optional equipment on Kia vehicles
may vary with respect to grade.
Sustained high temperature can
cause the material of the tires to
degenerate and reduce tires life, and
excessive temperature can lead to
sudden tires failure. Grades A and B
represent higher levels of perfor-
mance on the laboratory test wheel
than the minimum required by the
law.
7
45
| Categories | Kia Manuals, Kia Sportage Manuals |
|---|---|
| Model Year | 2009 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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