How do I properly maintain my Toyota RAV4's engine?

I recently purchased a Toyota RAV4 and want to make sure I am properly maintaining the engine. What should I be doing to keep it running smoothly?

Regularly check your oil levels and change it every 5,000 miles. This is the best way to prevent any engine problems.

Make sure to use high quality gasoline and avoid letting your fuel tank run too low.

Pay attention to any strange noises or smells, and get them checked by a mechanic as soon as possible.