What is the best way to maintain the performance of my Kia Sportage's engine?

I have noticed that my Kia Sportage's engine is not performing as well as it used to. What steps can I take to improve its performance and prevent future issues?

Perform regular oil changes and use high-quality, recommended oils to keep your engine running smoothly. Also, make sure to get routine maintenance check-ups to catch any potential engine issues early on.

Avoid aggressive driving and excessive idling, as this can put unnecessary strain on your engine. Also, regularly clean or replace your air filters to ensure proper airflow.

Consider using fuel additives to help clean and maintain your engine. Additionally, be sure to keep up with any recommended timing belt replacements to prevent engine damage.