What is the best way to improve fuel efficiency in a Nissan X-Trail?

I recently bought a Nissan X-Trail and I am looking for ways to improve it's fuel efficiency. What are some tips or tricks I can use to get the most out of my gas mileage?

Keep up with regular maintenance such as oil changes and tire rotations to ensure your engine is running efficiently.

Avoid idling for extended periods of time, as it wastes gas.