Maintenance
427
Tires and wheels
Production options weight:
The com
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bined weight of installed regular produc
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tion options weighing over 5 lb.(2.3 kg)
in excess of the standard items which
they replace, not previously considered
in curb weight or accessory weight,
including heavy duty brakes, ride level
-
ers, roof rack, heavy duty battery, and
special trim.
Recommended Inflation Pressure:
Vehicle manufacturer's recommended
tire inflation pressure and shown on the
tire placard.
Radial Ply Tire:
A pneumatic tire in
which the ply cords that extend to the
beads are laid at 90 degrees to the cen
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terline of the tread.
Rim:
A metal support for a tire and upon
which the tire beads are seated.
Sidewall:
The portion of a tire between
the tread and the bead.
Speed Rating:
An alphanumeric code
assigned to a tire indicating the maxi
-
mum speed at which a tire can operate.
Traction:
The friction between the tire
and the road surface. The amount of
grip provided.
Tread:
The portion of a tire that comes
into contact with the road.
Treadwear Indicators:
Narrow bands,
sometimes called "wear bars," that show
across the tread of a tire when only 1/16
inch of tread remains.
UTQGS:
Uniform Tire Quality Grading
Standards, a tire information system that
provides consumers with ratings for a
tire's traction, temperature and tread
-
wear. Ratings are determined by tire
manufacturers using government test
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ing procedures. The ratings are molded
into the sidewall of the tire.
Vehicle Capacity Weight:
The number
of designated seating positions multi
-
plied by 150 lbs. (68kg) plus the rated
cargo and luggage load.
Vehicle Maximum Load on the Tire:
Load on an individual tire due to curb
and accessory weight plus maximum
occupant and cargo weight.
Vehicle Normal Load on the Tire:
Load
on an individual tire that is determined
by distributing to each axle its share of
the curb weight, accessory weight, and
normal occupant weight and driving by
2.
Vehicle Placard:
A label permanently
attached to a vehicle showing the origi
-
nal equipment tire size and recom
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mended inflation pressure.
All season tires
Kia specifies all season tires on some
models to provide good performance for
use all year round, including snowy and
icy road conditions. All season tires are
identified by ALL SEASON and/or M+S
(Mud and Snow) on the tire sidewall.
Snow tires have better snow traction
than all season tires and may be more
appropriate in some areas.
Summer tires
Kia specifies summer tires on some
models to provide superior performance
on dry roads. Summer tire performance
is substantially reduced in snow and ice.
Summer tires do not have the tire trac
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tion rating M+S (Mud and Snow) on the
tire side wall. If you plan to operate your
vehicle in snowy or icy conditions, Kia
recommends the use of snow tires or all
season tires on all four wheels.
Do not use summer tires at tempera
-
tures below 45°F (7°C) or when driving
on snow or ice. At temperatures below
45°F (7°C), summer tires can lose elastic
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