1.   Check the water level in the car radiator.

2.   They had melted the snow with a little water from the car radiators and now it was freezing into a mirror of ice.

3.   Dozens of people passed out from carbon monoxide poisoning while trying to thaw car radiators in closed garages.

4.   It also keeps cool by flapping its huge ears, which lowers the temperature of its blood flowing through a myriad of vessels that act like a car radiator.