Kia Optima: Tire Speed Ratings
The chart below shows many of the different speed ratings currently being used for passenger car tires. The speed rating symbol is part of the tire size designation on the sidewall of the tire. This symbol corresponds to that tire’s designed maximum safe operating speed.
Wheel Size Designation
Wheels are also marked with important information that you need if you ever have
to replace one. The following explains what the letters and numbers in the wheel
size designation mean.
Example wh ...
Uniform Tire Quality Grading
The following information relates to the tire grading system developed by the
National Highway Traffic Safety Administration (NHTSA) for grading tires by tread
wear, traction and temperature perfo ...
See also:
Compass Mirror. Description and Operation
Function
1.
Push the A button lower of the
rear view mirror to turn on the function of the compass mirror so that displays
a sign of a direction on the small board in the upper-righ ...
Snow tires
If you equip your car with snow tires,
they should be the same size and
have the same load capacity as the
original tires. Snow tires should be
installed on all four wheels; otherwise,
poor ...
Specifications
Specifications
Front Suspension
Item
Specification
Suspension type
MacPherson Strut
Shock absorber
Type
H.P.D ...