Maintenance
428
Tyres and wheels
Passenger (P-Metric) Tyre
A tyre used
on passenger cars and some light duty
trucks and multipurpose vehicles.
Ply
A layer of rubber-coated parallel
cords.
Pneumatic tyre
A mechanical device
made of rubber, chemicals, fabric and
steel or other materials, that, when
mounted on an automotive wheel, pro
-
vides the traction and contains the gas
or fluid that sustains the load.
Production options weight
The com
-
bined weight of installed regular produc
-
tion options weighing over 2.3 kg (5 lb.)
in excess of the standard items which
they replace, not previously considered
in kerb weight or accessory weight.
Examples include heavy duty brakes,
ride levelers, roof rack, heavy duty bat
-
tery, and special trim.
Recommended Inflation Pressure
Vehicle manufacturer's recommended
tyre inflation pressure and shown on the
tyre placard.
Radial Ply Tyre
A pneumatic tyre in
which the ply cords that extend to the
beads are laid at 90 degrees to the cen
-
tre line of the tread.
Rim
A metal support for a tyre and upon
which the tyre beads are seated.
Sidewall
The portion of a tyre between
the tread and the bead.
Speed Rating
An aLAMLhanumeric
code assigned to a tyre indicating the
maximum speed at which a tyre can
operate.
Traction
The friction between the tyre
and the road surface. The amount of
grip provided.
Tread
The portion of a tyre that comes
into contact with the road.
Treadwear Indicators
Narrow bands,
sometimes called "wear bars," that show
across the tread of a tyre when only 1.6
mm (2/32 inch) of tread remains.
UTQGS
Uniform Tyre Quality Grading
Standards, a tyre information system
that provides consumers with ratings for
a tyre's traction, temperature and tread
-
wear. Ratings are determined by tyre
manufacturers using government test
-
ing procedures. The ratings are molded
into the sidewall of the tyre.
Vehicle Capacity Weight
The weight of
designated seating positions multiplied
by 68 kg (150 lbs.) plus the rated cargo
and luggage load.
Vehicle Maximum Load on the Tyre
Load on an individual tyre due to kerb
and accessory weight plus maximum
occupant and cargo weight.
Vehicle Normal Load on the Tyre
Load
on an individual tyre that is determined
by distributing to each axle its share of
the kerb 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 tyre size and recom
-
mended inflation pressure.
All season tyres
Kia specifies all season tyres on some
models to provide good performance for
use all year round, including snowy and
icy road conditions.
All season tyres are identified by ALL
SEASON and/or M+S (Mud and Snow)
on the tyre sidewall. Snow tyres have
better snow traction than all season
tyres and may be more appropriate in
some areas.
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