Car engines don’t remain cool all the time. Poor lubrication, for instance, can cause them to heat up quickly. Of course, you would want to arrest this problem right away before it becomes too difficult and expensive to handle.
If you think that the engine of your car is overheating, it is better that you should not check its cooling system. Doing so will put added pressure into it, which, in turn, can cause burns. If there’s an issue, let the engine cool down first.
Meanwhile, these are the symptoms that your car is surging hot already.