Kia Optima
Kia Optima

See also:
Explanation of scheduled maintenance items
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in
the maintenance schedule. If the car
is being driven in severe conditions,
more frequent oil and fi ...
Drivetrain
The typical sedan has a larger engine than the Kia Rio. Keep in mind that
smaller engines are often cheaper to fix, but smaller engines can be stressed
more. The Kia Rio could learn a lesson or tw ...
Fuel requirements
Gasoline engine (unleaded)
Your new Kia vehicle is designed to
use only unleaded fuel with a minimum
Octane Rating of 87 Anti-
Knock Index (AKI).
NOTICE
NEVER USE LEADED FUEL. The
use of leaded ...


