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:
Engine compartment fuse
replacement
1. Turn the ignition switch and all other
switches off.
2. Remove the fuse panel cover by
pressing the tab and pulling the cover
up.
3. Check the removed fuse; replace it if it
is blow ...
Knock Sensor (KS). Schematic Diagrams
Circuit Diagram
...
Inspection
In the state of IGN1 ON, when multi function switch module detects auto light switch
on, tail lamp relay output and head lamp low relay output are controlled according
to auto light sensor's i ...