What is the best way to maintain the fuel efficiency of my Kia Picanto?

My Kia Picanto's fuel efficiency seems to be decreasing over time. What suggestions do you have for maintaining optimal fuel efficiency?

Regularly check the air pressure in your tires and ensure they are properly inflated to the recommended level.

Avoid sudden acceleration and braking. Slow and steady driving can significantly improve fuel efficiency.

Schedule regular maintenance checks with a certified mechanic to ensure that your engine is running smoothly and efficiently.

Consider using a fuel additive designed to improve fuel efficiency. Be sure to research and choose a reputable brand.