An engine operates within a very specific temperature range. If it’s too cold, it loses efficiency. If it’s too hot, it risks serious damage.
Prolonged overheating can lead to, among other things:
- deterioration of certain joints;
- a deformation of mechanical components;
- a significant drop in performance;
- particularly costly repairs.
In other words, this little warning light can indicate a problem that is much bigger than it seems.
What should you do if this warning light comes on while you are driving?

When it appears, the most important thing to do is not to continue as if nothing is wrong. Even if the car still seems to be driving normally, it’s best to act quickly.
Here are the right steps to take:
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Stop as soon as safely possible