What should I do if my Vauxhall Astra Check Engine light is on?

I recently noticed that the check engine light on my Vauxhall Astra turned on. I'm not sure what to do, what could be causing this and how can I fix it?

The check engine light could be on for a variety of reasons, such as a faulty oxygen sensor or a loose gas cap. The best way to diagnose the issue is to bring your Astra to a trusted mechanic.

It's always important to address a check engine light as soon as possible, as it could indicate a serious issue with your car's engine. Take it to a mechanic to get it checked out.

If your car is driving normally and you don't notice any strange sounds, the issue might simply be a loose gas cap. Try tightening it and see if the light goes off. If not, bring it in for a check-up.

Check the owner's manual for instructions on how to reset the check engine light. If the light continues to come on, have your car checked by a professional.