Kia Optima
Kia Optima

See also:
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 ...
Engine coolant
The high-pressure cooling system has a
reservoir filled with year round antifreeze
coolant. The reservoir is filled at the factory.
Check the antifreeze protection and
coolant level at least once ...
Air cleaner
Filter replacement
It must be replaced when necessary, and
should not be cleaned and reused.
Replace the filter according to the
Maintenance Schedule.
If the vehicle is operated in extremely
d ...