Kia Optima: Engine Oil and Oil Filter

Engine Compartment

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Checking the Engine Oil Level

1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and wait a few minutes for the oil to return to the oil pan. ...

See also:

Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil y ...

Inspection
1. Immerse the thermostat in water and gradually heat the water. 2. Check the valve opening temperature. Valve opening temperature: 82 ± 1.5°C (17 ...

Interior A
Front pillar trim mounting hole (Ø12) Front pillar trim mounting hole (Ø8.4) Cowl cross ...