Kia Optima: Fuel requirements - Introduction - Kia Optima TF 2011-2021 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:

Speedometer
The speedometer indicates the forward speed of the vehicle. ODOMETER/TRIPMETER You can choose the odometer, tripmeter A and tripmeter B by pressing the mode selection button. ...

Withheld alarm
When the alarm is armed, the alarm will not sound if the trunk lid is opened with either the key or the transmitter. However, if the trunk lid is not opened completely within two seconds after unlo ...

Side Airbag (SAB) Module Repair procedures
Removal     The side airbag cannot be disassembled from the seat back assembly, so replace the seat back assembly when replacing the side airbag. 1. Disconnect the ...

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