Kia Rondo 2014 User Manual download pdf (Page 468)

Maintenance

567

Temperature -A, B & C

The temperature grades are A (the

highest), B and C representing the

tire’s resistance to the generation of

heat and its ability to dissipate heat

when tested under controlled condi-

tions on a specified indoor laboratory

test wheel.

Sustained high temperature can

cause the material of the tire to

degenerate and reduce tire life, and

excessive temperature can lead to

sudden tire failure. Grades B and A

represent higher levels of perform-

ance on the laboratory test wheel

than the minimum required by law.

Tire terminology and definitions

Air Pressure: The amount of air

inside the tire pressing outward on

the tire. Air pressure is expressed in

kilopascal (kPa) or pounds per

square inch (psi).

Accessory Weight: This means the

combined weight of optional acces-

sories. Some examples of optional

accessories are, automatic

transaxle, power seats, and air con-

ditioning.

Aspect Ratio: The relationship of a

tire's height to its width.

Belt: A rubber coated layer of cords

that is located between the plies and

the tread. Cords may be made from

steel or other reinforcing materials.

Bead: The tire bead contains steel

wires wrapped by steel cords that

hold the tire onto the rim.

Bias Ply Tire: A pneumatic tire in

which the plies are laid at alternate

angles less than 90 degrees to the

centerline of the tread.

WARNING - Tire

tempera-

ture

The temperature grade for this

tire is established for a tire that

is properly inflated and not

overloaded. Excessive speed,

underinflation, or excessive

loading, either separately or in

combination, can cause heat

build-up and possible sudden

tire failure. This can cause loss

of vehicle control and serious

injury.

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