What are the essential maintenance checks for a Ford Focus?

I just bought a Ford Focus and want to make sure I am properly maintaining it. What are the important things I should check regularly to keep my car running smoothly?

As a fellow Ford Focus owner, I recommend checking your tire pressure, oil levels, and fluid levels at least once a month.

You should also make sure your brakes and lights are working properly. It's important for both your safety and the safety of others on the road.