
Water freezes. During the winter, you might try to clean your windshield but find that no water is squirting out even though its full. This is because the water froze. It will remain frozen until its hot again. If you use windshield wiper fluid, you won't have this problem because it is designed to freeze at super low temperatures only.
If you are still curious about why water is not as good as wiper fluid, come visit Findlay Lincoln or give us a call.