SALT
Turn your freezer off before putting the water inside.
salt
7 table spoons of salt stops 500ml of water from freezing
heat it up, add energy to it
The freezing cannot be stopped; only the freezing temperature is lowered adding salts.
you put it in properly without touching the back of the disk
Make sure you put -25F washer fluid in "before" it gets below freezing.
you put it in freezing cold water and put a little shampoo on it. put in warm water. then put back in freezing cold water. Take it out of the cold water and hang it up and let it dry! DO NOT TOUCH IT WHEN DRYING!
In the winter, when the temps go below freezing, there should not be any water in a car. It should be antifreeze, actual windshield wiper fluid, etc.... This will prevent any freezing.
Believe it or not, you can keep water protected in Antarctica by keeping it in a fridge. The temperature is so cold that a fridge could keep it safe from freezing.
To prevent the water turning into ice
For the lowering of the freezing point of water.