Kia Sorento 2007 User Manual download pdf (Page 307)

Maintenance

347

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 perform-

ance on the laboratory test wheel

than the minimum required by the law.

Tire terminology and defini-

tions

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 transmis-

sion, power seats, and air condition-

ing.

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.

Cold Tire Pressure: The amount of

air pressure in a tire, measured in

kilopascals (kPa) or pounds per

square inch (psi) before a tire has

built up heat from driving.

Curb Weight:This means the weight

of a motor vehicle with standard and

optional equipment including the

maximum capacity of fuel, oil and

coolant, but without passengers and

cargo.

WARNING - Tire

temperature

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

tires failure.This can cause loss

of vehicle control and serious

injury or death.

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