Kia Optima: Maintenance / Air cleaner

Kia Optima DL3 2019-2023 Owner's Manual / Maintenance / Air cleaner

Filter replacement

The air filter must be replaced when necessary, and should not be washed.

While inspecting the air clear element, the air filter can be cleaned using compressed air.

1. Pull out the air cleaner cover.

2. Unlock by turning the locking lever downward.

3. Pull the air cleaner filter to replace.

4. Lock the cover with the reverse order.

Replace the filter according to the Maintenance Schedule.

If the vehicle is operated in extremely dusty or sandy areas, replace the element more often than the usual recommended intervals. (Refer to “Maintenance under severe usage conditions” in this chapter.)

CAUTION - Air filter maintenance

Parking brake
Checking the parking brake Check whether the stroke is within specification when the parking brake pedal is pressed with 30 kg (66 lb, 294 N) of force. Also, the parking brake alone should secu ...

Climate control air filter
Filter inspection The climate control air filter should be replaced according to the Maintenance Schedule. If the vehicle is operated in severely air-polluted cities or on dusty rough roads for a ...

Other information:

Kia Optima DL3 2019-2023 Owner's Manual: Immobilizer Indicator Light (With Smart Key)


This indicator light illuminates for up to 30 seconds: • When the vehicle detects the appropriate smart key with immobilizer in your vehicle while the Engine Start/Stop Button is ACC or ON. - At this time, you can start the engine. - The indicator light goes off after starting the engine. ...

Kia Optima DL3 2019-2023 Owner's Manual: Loss of the smart key, Smart key precautions


Loss of the smart key A maximum of 2 smart keys can be registered to a single vehicle. If you happen to lose your smart key, you will not be able to start the engine. You should immediately take the vehicle and remaining key to your authorized Kia dealer (tow the vehicle, if necessary) to pro ...

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