Kia Optima: Engine oil

Explanation of scheduled maintenance items

Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil an ...

Checking the engine oil level

2.4 engine 2.0 engine 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 for a few min ...

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Recommended Shifting
Drive the vehicle in the highest gear that allows the engine to run and accelerate smoothly without hesitating or stalling. This will give you the most efficient fuel economy and emission control. ...

Inspection
1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that there is the plunger movement. ...

Hazardous Driving Conditions
When hazardous driving conditions are encountered such as water, snow, ice, mud, sand, or similar hazards, follow these suggestions: Drive cautiously and allow extra distance for braking. Avoi ...