What does the 'ECO' button on the Vauxhall Astra do?

I recently purchased a Vauxhall Astra and I noticed there is an 'ECO' button on the dashboard. What exactly does this button do and should I be using it?

The 'ECO' button on the Vauxhall Astra is used to improve fuel efficiency by adjusting the engine and transmission settings. It is recommended to use this button while driving on highways or in heavy traffic.

The 'ECO' button on the Vauxhall Astra helps to reduce emissions and save fuel by modifying the throttle response and air conditioning settings. It is most effective on long drives and can lead to significant cost savings over time.

Using the 'ECO' button on the Vauxhall Astra can also result in a smoother and more relaxed driving experience. It is not necessary to use it all the time, but it can be beneficial in certain driving conditions.