How to properly maintain the Ford S-Max's engine?

I recently bought a used Ford S-Max and I want to make sure that its engine stays in good condition. What are some tips and tricks for proper engine maintenance?

Regularly change the engine oil and filter to keep the engine lubricated and running smoothly.

Check the engine coolant level and top up if necessary.

Inspect the engine belts for any signs of wear and tear and replace them if needed.

Make sure to regularly clean the engine and remove any debris or dirt that may have accumulated.

Don't forget to check the air filter and replace it if it's dirty. This will help improve the engine's performance and fuel efficiency.