How do I maintain the fuel efficiency of my Toyota Yaris?

I recently purchased a Toyota Yaris and want to make sure I am keeping it as fuel efficient as possible. What tips and advice do you have for maintaining fuel efficiency in this car model?

Regularly check and replace air filters to ensure proper air flow in the engine.

Maintain proper tire pressure to reduce rolling resistance and improve fuel efficiency.

Avoid aggressive driving and excessive idling to save on fuel.

Use cruise control on the highway to maintain a steady speed and improve fuel efficiency.