Defrost the windshields so you can see where you are going. Useful in icy climates.
It is probably the sound of the defroster fan.
The 1953 Lincoln was the first car that had a rear window defroster. It also was the first car to have an optional 4 way power seat.
windshieldwheelwater pumpwindowwindow defroster
If you have the defroster in the on position the ac will do that.
It heats the windshield to melt the ice.
Because it's not a defroster button! It's just the symbol for ventilating the air into the car. It shoudln't be called a defroster since defrosting is meant by heating up the coils that you see at the back of the car. I'm pretty no car has wires in the front!
dry air removes moisture better
You have a leaking heater core. You might smell antifreeze if you turn on the defroster.
If there is an oil leak inside the engine compartment of the vehicle. The defroster could have some of the smell go into the cabin of the car. The engine should be checked for any oil leaks.
If you have the defroster on, the ac comes on automatically.
· windshield washer pump · water pump · window defroster · windows
fast and convenient I use it to get around my car is my friend a rear defroster hubcaps and windshield wipers aspects of my car