2008 Kia Magentis Owners Manual

Maintenance
Traction - AA, A, B & C
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.
WARNING - Tire
The traction  grades, from highest  to
lowest,  are  AA,  A,   B  and  C.  The
grades  represent the  tires  ability to
stop on  wet pavement as  measured
under controlled conditions on  spec-
ified   government  test   surfaces  of
asphalt and  concrete. A tire  marked
C  may  have poor  traction  perform-
ance.
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
tire failure. This  can cause loss
of  vehicle  control  and  serious
injury or death.
Temperature -A, B & C
The  temperature grades  are A  (the
highest), B and C. The grades repre-
sent the tire’s  resistance to the  gen-
eration of heat and its ability to dissi-
pate  heat  when  tested  under  con-
trolled   conditions   on   a   specified
indoor laboratory test wheel.
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.
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.
7
32
Product Specification
CategoriesKia Magentis Manuals, Kia Manuals
Model Year2008
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