How do I properly maintain my Ford S-Max's engine?

I recently bought a Ford S-Max and want to ensure that my engine stays in good condition for as long as possible. What are some maintenance tips that I can follow to keep my engine running smoothly?

Regularly check the oil levels and change the oil according to the manufacturer's recommended schedule.

Make sure to use high quality fuel and to always keep the gas tank at least half full.

Keep an eye on the coolant levels and top up if needed. It's important to not let the engine overheat.