Defrost Your Windows is not a very hard task, but it is time consuming. Some of us have places to be and sitting there waiting for the windows to defrost is not on the agenda. Here are some tips to get the process sped up a little. First, contrary to popular belief, you need to turn the AC all the way up as well as the heater, the heater warms up the cold air and it acts as a wet towel being rung out. You should also roll the windows down a little so the cold air can rush in. Just trust us okay? Have we ever let you down before?