There are typically two ways to turn on a car’s rear defroster. The first is by using a switch that is usually located on the front dash near the driver’s side. The second way is by using the controls on the heater/air conditioner system.
If your car does not have a rear defroster switch, you can usually activate it by turning the knob for the heater/air conditioner system to the “defrost” setting.
- Locate the rear window defroster button on your car’s dashboard
- Press and hold the rear window defroster button for two to three seconds
- The indicator light next to the button should turn on, indicating that the rear window defroster is activated
- Drive with the rear window defroster turned on until the frost or ice on your rear window is melted away
Back Window Defrost Button
Assuming you would like a blog post discussing the back window defrost button in cars:
Most cars these days come equipped with a back window defrost button, and for good reason! This feature can be a lifesaver during the winter months when ice and snow can build up on your car windows.
But what exactly does the back window defrost button do? When you press it, it activates a heating element in the rear window glass. This helps to melt any ice or snow that may have accumulated on the surface.
It’s important to note that this feature will only work if your car’s engine is running. Otherwise, the heating element won’t get the power it needs to function.
If you find yourself using your back window defrost button often, there are a few things you can do to help prevent ice and snow from building up in the first place.
First, make sure that you’re regularly cleaning your car’s windows (inside and out). Any dirt or debris on the surface can make it more difficult for the heat to penetrate through. Additionally, try parking in a covered area whenever possible.
This will provide some protection from the elements and help keep your windows clean for longer periods of time.

Credit: www.lexudrive.com
How Do You Turn on Rear Window Defrost?
Rear window defrost is a feature that helps to clear the back windshield of your car. It can be turned on by pressing a button on your dash board, typically located near your other climate control buttons. Once you press the button, a light will come on indicating that the rear window defrost is engaged.
The feature works by sending warm air to coils located in the glass of your back windshield. These coils help to melt any snow or ice that may be blocking your view.
What is the Back Defrost Button Look Like?
When you need to clear the frost and ice from your car’s windshield, you’ll use the back defrost button. This button is usually located on the center console near the climate control buttons. It may be labeled with a snowflake icon or the word “defrost.”
When you press this button, it will activate the rear window defroster coils. These coils are located behind the rear window and work to quickly clear away any frost or ice.
How Do I Know If My Rear Defroster is Working?
Most cars have a rear window defroster button, usually located on the center console near the front seats. When you press this button, it sends power to a heating element in the back window. The element looks like a thin wire grid, and when it’s turned on, it gets hot and melts any frost or ice that may be on the window.
You can usually tell if your rear defroster is working by looking at the heating element. If it’s lit up, then the defroster is on and working. You can also tell by the sound of the defroster; when it’s turned on, you should hear a faint clicking sound coming from the back of the car as the element turns on and off.
If your rear defroster isn’t working, first check to make sure there’s no ice or frost blocking the heating element. If that’s not the problem, then you may need to replace the fuse for the rear defroster.
What Button Do I Press to Defrost My Car?
Assuming you are talking about an automatic car, there should be a button on the dash that says “Defrost.” Pressing this button will engage the defrost setting on your car.
On most cars, the front and rear windows will have their own settings for how much air is directed to them.
There may also be settings for the floor vents and/or the windshield vents. The “Defrost” setting will usually send the majority of the airflow to the windshield vents in order to clear any frost or condensation that may have built up overnight.
If your car does not have a dedicated “Defrost” button, then look for a button that says “Recirculate.”
This setting recirculates the air inside the car instead of pulling in fresh air from outside.engage This is important because when it’s cold outside, all of the warm air inside your car can escape through cracks and gaps if you don’t keep it sealed off from the outside world. By recirculating the air, you can keep all of that warmth trapped inside where it belongs!
How To Repair a Rear Window Defrost Grid Panel
Conclusion
Rear defrosters are a lifesaver during the winter months. They help clear your back windshield of any ice or snow that may have accumulated overnight. But how do you turn them on?
It’s actually quite simple. Just look for a button with a picture of a car with lines emanating from the back window. This is the rear defrost button and all you have to do is press it once to activate the rear defroster.
The lines you see in the symbol represent the heated wires that will quickly clear your back windshield of any frost or snow.