2009 Honda Accord "windows fog turn defrost" Questions

windows fog up when you turn on heater if u turn the ac on it wont fog up at all put it on defrost

...turn on the defrost and then it goes away. it comes back maybe once while driving then goes away again. plus my defrost is barely working, all the windows still get fogged up Broken heater core. Keep ...

When the defrost is on in rainy weather, it blows hot but fogs up the windshield. if i turn on the air conditioner it defrosts the window. Yes, that's the way it works.

...windows kept fogging up further, I used the windshield wipers to help clear the window and the kind of helped. I have only had this car for over year . what should I do? to clear the interior of fog ...

turn on the heater to defrost it gets worse. How do I fix this? To understand how a/c works will explain what is happening. A/c works by moving the haet from inside to outside. at the evaporator which

...windows fog up but the air is hot. This may be due to a bad heater core or dirty core with a plugged water drain, first see if the a/c works. turn it on and see if the air gets cold and if the ac ...

...on the defroster it blows a fog that keeps the window fogged up anytime I turn on the heat. If the fog is oily, then your heater core is leaking and the blower is blowing coolant onto your ...

...fog the windows even when you run the defrost. You can also try opening the windows a bit to get some more air moving inside. If it still fogs when the vents are set properly, you may have a leaky ...

...turn it off for just fresh air through vent or windows in the evening or even during the day if it's cooler outside, the front window fogs up and will not defrost on its own. I have to turn on the ...

...windows fog up and the defrost fogs my windows it sound to me that you might have a slight leak in your heater core. The leak is what s causing the windows to fog up, cause it's actually radiator ...