Why does my rear window heater not work?
Why does my rear window heater not work? The idea of running electric current through a circuit to generate heat and clear up your car's rear window arose a few decades after automobiles took to the roads. These days, with the touch of a button, those lines on your back window heat up to melt away fog and frost. But sometimes, in the midst of winter, they don't work. What causes a heating system to stop working? Common reasons for the heating system not to work include the following: 1 Low coolant 2 Air in the coolant system 3 Malfunctioning...