How to optimize fuel efficiency in my Vauxhall Grandland?

I want to improve my Vauxhall Grandland's fuel efficiency. What are some effective methods that I can use to achieve this goal?

Regularly servicing your vehicle can help improve fuel efficiency as the engine will be running at its optimal state.

Driving at a steady speed and avoiding sudden acceleration and braking can also help save fuel.

Using cruise control on highways can help maintain a constant speed and reduce fuel consumption.