Can You Use Warm Water To Defrost Car Windows. Does anyone else use warm water to defrost cars? Rapid temperature changes in glass can cause it to crack, and automotive glass is no exception.
One survey by the aa populus shows that 13% of drivers say they use hot water to clear ice from car windows and windshield ( read more here ). As with the bag of rice, slowly move the hot water bottle across the inside of your windows while you’re sitting in the car. You see, if there is even the tiniest little bit of crack the thermal shock of the hot water can cause the windshield to literally split all the way across from top to bottom.
