
Originally Posted by
Thymeclock
There has to be a leak (or possibly it might be a bad head gasket) as you have lost fluid. How old is the car? Have you noticed any white smoke coming out of the tailpipe?
I hope you didn't just use plain water as antifreeze/coolant is a must. Water is better than nothing in a pinch, but you will need to make sure the coolant is the right strength and that the radiator is full, as well as having the right level in the overflow reservoir.