What could be causing my Vauxhall Corsa's engine to overheat?

I have noticed that my Vauxhall Corsa's engine temperature is rising above the optimal range. I have checked the coolant level and it seems to be fine. What could be the possible causes for this and what steps should I take?

One possible cause for your Vauxhall Corsa's engine overheating could be a faulty thermostat. Have you checked this component?

Another possible cause could be a leak in the cooling system. Check for any visible leaks or a drop in the coolant level. It's always a good idea to get a professional inspection, as well.

Make sure to also check your radiator for any blockages or damage that could be preventing proper cooling. A simple flush and refill of the coolant may also help.