Kia Sonet QY 2021 Owner's Manual page 395

Maintenance
Maximum Load Rating The load rat-
ing for a tyre at the maximum per-
missible inflation pressure for that
tyre.
Maximum Loaded Vehicle Weight
The sum of kerb weight; accessory
weight; vehicle capacity weight; and
production options weight.
Normal Occupant Weight The num-
ber of occupants a vehicle is
designed to seat multiplied by 68 kg
(150 lbs.).
Occupant Distribution Designated
seating positions.
Outward Facing Sidewall The side of
a asymmetrical tyre that has a par-
ticular side that faces outward
when mounted on a vehicle. The
outward facing sidewall bears white
lettering or bears manufacturer,
brand, and/or model name molding
that is higher or deeper than the
same moldings on the inner facing
sidewall.
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, provides the traction and
contains the gas or fluid that sus-
tains the load.
Production options weight The
combined weight of installed regular
production options weighing over
2.3 kg (5 lb.) in excess of the stan-
dard items which they replace, not
previously considered in kerb weight
or accessory weight. Examples
include heavy duty brakes, ride lev-
elers, roof rack, heavy duty battery,
and special trim.
Recommended Inflation Pressure
Vehicle manufacturer's recom-
mended 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 centre 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 alphanumeric 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.
Tyres and wheels
8
8 45