Kia Optima: Tire Speed RatingsThe 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
Uniform Tire Quality GradingTire terminology and definitions
Air Pressure: The amount of air
inside the tire pressing outward on
the tire. Air pressure is expressed in
pounds per square inch (psi) or kilopascal
(kPa).
Accessory Weight: This means the
...
Removal
1.
Remove the following items;
A.
Engine cover.
B.
Air cleaner assembly
and air duct (A). (Refer to "Intake and Exhaust system" in ...
Components (With EPB)
1. Guide rod bolt
2. Bleed screw
3. Caliper carrier
4. Caliper body
5. Brake pad
6. Pad retainer
...