How do I keep my Ford S-Max's engine running smoothly?

I recently bought a Ford S-Max and I want to make sure the engine stays in good condition. What are some maintenance tips and tricks that I should be aware of?

Regular oil changes and proper air filter replacements are key in keeping your engine running smoothly. Also, make sure to check your transmission fluid and spark plugs regularly.

Consider investing in a high-quality fuel additive to help keep your engine clean and reduce emissions. And don't forget to regularly check and replace your belts and hoses.

Another important factor in maintaining your car's engine is proper driving habits. Avoid harsh accelerations and idling for long periods of time. And always warm up your car on cold days before driving.