Kia Optima: Fuel RequirementsYour new Kia vehicle must use only unleaded fuel having an octane rating of at least 87.
Your new Kia is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.
✽ NOTICE
NEVER USE LEADED FUEL. The use of leaded fuel is detrimental to the catalytic converter and will damage the engine control system’s oxygen sensor and affect emission control.
Never add any fuel system cleaning agents to the fuel tank other than what Kia has specified or the equivalent. (Consult an authorized Kia dealer for details.)
Driving Tips
Gasoline Containing Alcohol and MethanolMode selection
The mode selection button controls the direction of the air flow through the
ventilation system
Face-Level (B, C,
D, E, F)
Air flow is directed toward the upper body and face. Additionally, ea ...
Starting the Engine
1. Make sure the parking brake is applied.
2. Manual Transmission - Depress the clutch pedal fully and shift the transmission
into Neutral. Keep the clutch pedal depressed while turning the ignitio ...
Installation
1.
Install the body control module.
2.
Install the accelerator.
3.
Install the reinforce panel.
4.
Install the crash pad lower panel.
...