Kia Optima: Inspection| 1. | Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, replace the oil. |
| 2. | Check the engine oil level. After engine warm up stop the engine wait 5 minutes then check the oil level. Oil level should be between the "L" and "F" marks on the dipstick. If low check for leakage and add oil up to the "F" mark.
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Recommendation : 5W-30 ACEA A5 (If not available, refer to the recommended API or ILSAC classification)
API classification: SL or SM aboveILSAC classification : GF3, GF4 or above
ACEA Classification : A3 or A5SAE viscosity grade : Refer to the recommended SAE viscosity number

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Oil And Filter Replacement
Balance Shaft & Oil Pump. Components and Components LocationSafety Belt Warning Chime
If the driver's lap/shoulder belt is not fastened when the key is turned ON or
if it is unfastened after the key is turned ON, safety belt warning chime sounds
for approximately 6 seconds. ...
Removal
1.
Disconnect the negative (-) battery
terminal.
2.
Loosen 2 screws holding the overhead
console (A).
3.
Disconnect the connectors of
sunr ...
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. ...