Kia Optima: Fuel requirements
Your new Kia vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher.
Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.
CAUTION
Never add any fuel system cleaning agents to the fuel tank other than what has been specified. (Consult an authorized Kia dealer for details.)
WARNING
- Do not "top off" after the nozzle automatically shuts off when refueling.
- Tighten the cap until it clicks one time, otherwise the Check Engine
light will illuminate. - Always check that the fuel cap is installed securely to prevent fuel spillage in the event of an accident.
- Gasoline containing alcohol and methanol
- Use of MTBE
- Do not use methanol
- Fuel Additives
- Operation in foreign countries
How to use this manual
We want to help you get the greatest possible driving pleasure from your vehicle.
Your Owner’s Manual can assist you in many ways. We strongly recommend that you
read the entire manual. In order t ...
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:
Knock Sensor (KS). Description and Operation
Description
Knocking is a phenomenon characterized by undesirable vibration
and noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knockin ...
Digital clock
Type A
Type B
WARNING
Do not adjust the clock while driving. You may lose your steering control and
cause severe personal injury or accidents.
Whenever the battery terminals or related fuse ...
Erasing Programmed Buttons
To erase the three HomeLink buttons, press and hold the two outside buttons until
the indicator light begins to flash (after 20 seconds). Release both buttons.
Individual buttons cannot be erased ...