Why is it important to regularly change the oil in a Ford S-Max?

I've heard that it's important to regularly change the oil in my Ford S-Max, but I'm not sure why. Can you explain the technical reasons behind this maintenance task?

Changing the oil in your Ford S-Max is crucial for maintaining the health and longevity of your engine. Over time, oil can become dirty and lose its lubricating properties, leading to increased wear and tear on your engine components. This can result in costly repairs down the road.

In addition to preventing damage to your engine, regular oil changes can also improve your car's fuel efficiency. Old, dirty oil can cause your engine to work harder and use more fuel, resulting in lower gas mileage.

I recommend changing your oil every 5,000 miles or every six months, whichever comes first. This will ensure that your engine stays clean and well-lubricated, keeping your Ford S-Max running smoothly for years to come.