Kia Optima: Do not use methanol - Fuel requirements - Introduction - Kia Optima TF 2011-2025 Owners ManualKia Optima: Do not use methanol

Fuels containing methanol (wood alcohol) should not be used in your vehicle. This type of fuel can reduce vehicle performance and damage components of the fuel system.

Use of MTBE
Kia recommends avoiding fuels containing MTBE (Methyl Tertiary Butyl Ether) over 15.0% vol. (Oxygen Content 2.7% weight) in your vehicle. Fuel containing MTBE over 15.0% vol. (Oxygen Content 2.7% w ...

Fuel Additives
Kia recommends that you use good quality gasolines treated with detergent additives such as TOP TIER Detergent Gasoline, which help prevent deposit formation in the engine. These gasolines will he ...

See also:

Automatic transaxle
Depress the brake pedal and the lock release button when shifting. Press the button when shifting. The shift lever can be shifted freely. ...

Warning / Caution Label Locations
1. Radiator cap caution 2. Fan caution 3. Battery caution ...

Pre-tensioner seat belt
Your vehicle is equipped with driver's and front passenger's pre-tensioner seat belts. The purpose of the pre-tensioner is to make sure that the seat belts fit tightly against the occupa ...

Copyright © www.kiopman.com 2025