Kia Optima: Fuel requirements - Introduction - Kia Optima TF 2011-2022 Owners ManualKia 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.

Never add any fuel system cleaning agents to the fuel tank other than what has 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

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 ...

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