Kia Optima: Fuel Requirements
Your new Kia vehicle must use only unleaded fuel having an octane rating of at least 87.
Your new Kia is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.
✽ NOTICE
NEVER USE LEADED FUEL. The use of leaded fuel is detrimental to the catalytic converter and will damage the engine control system’s oxygen sensor and affect emission control.
Never add any fuel system cleaning agents to the fuel tank other than what Kia has specified or the equivalent. (Consult an authorized Kia dealer for details.)
Driving Tips
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Gasoline Containing Alcohol and Methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and
gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed
along with or instead of leade ...
See also:
Day/Night Rearview Mirror
Adjust the rearview mirror to center on the view through the rear window. Make
this adjustment before you start driving and while the day/night lever is in the
day position.
Pull the day/night ...
How to cancel automatic the outside (fresh) air position in the Floor, Floor-
Defrost and Defrost position
When you select the Floor, Floor-Defrost or Defrost position, the system automatically
turns on the outside (fresh) air position will be selected.
If you don’t want the outside (fresh) air positi ...
Keep belts clean and dry
Seat belts should be kept clean and dry. If belts become dirty, they can be cleaned
by using a mild soap solution and warm water. Bleach, dye, strong detergents or
abrasives should not be used bec ...