Kia Optima: Element ReplacementYour vehicle is equipped with a viscous paper air cleaner filter. It must be replaced when necessary, and should not be cleaned and reused.
1 Remove the four (4) air cleaner cover attaching clips.
2. Wipe the inside of the air cleaner housing with a damp cloth.

3. Replace the air cleaner element.
4. Install the cover. Install and tighten the (4) cover attaching clips.
Replace the element according to the Scheduled Maintenance Section.
If the vehicle is operated in extremely dusty or sandy areas, replace the element more frequently than the usual recommended intervals. (Refer to Schedule 2 – Severe Maintenance in this section.)
WARNING
• Driving with the air cleaner removed can cause backfiring through the intake and could cause a fire in the engine compartment.
Air Cleaner
Wiper BladesTurn signals and lane change signals
The ignition switch must be on for the turn signals to function. To turn on the
turn signals, move the lever up or down (A). The green arrow indicators on the instrument
panel indicate which tur ...
Specifications
Specifications
Item
Specification
Master cylinder
Type
Single
Cylinder I.D.
22.22mm
Piston st ...
Tips on Driving Your Vehicle
Before Entering Vehicle:
Be sure that all windows, outside mirror(s), and outside lights are clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure t ...