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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Vehicle break-in process
No special break-in period is needed. By following a few simple precautions for the first 1,000 km (600 miles) you may add to the performance, economy and life of your vehicle. Do not race the ...

Trunk Lid Open Warning Light
This light remains on unless the trunk lid is completely closed. ...

Suggestions for Economical Operation
Your vehicle’s fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many miles (kilometers) you can get from a gallon (lit ...