Hi
I have a 2010 300c estate. the rear window defroster button/air con button/ or re cirulation button do not work. They do not light up. everything else is working fine. get hot/cold air. everything else lights up perfect. what could it be ?
SOURCE: how do i fix heater core on a 2006 chrysler 300
If you're getting hot air, it's not the heater core.
Windows fog up because the humidity level inside the vehicle increases while the temperature of the windows decreases to a point where the dew point of the air is higher than the temperature of the glass. When this happens, moisture from the air condenses onto the glass. When you breath out, you increase the humidity of the air in the car because of the moisture in your breath.
The key for defrost to work isn't necessarily heat, it's more important to dry the air. There are two ways of doing this:
1.) Make sure you have the air recirculation turned off. This feature causes your car to recirculate air from inside the car through the air ducts. In the summer when it's hot and humid outside, this is what you want. However in the winter when the air is dry, you want to bringing fresh dry air from outside to replace the humid air inside the car.
2.) Turn on the A/C compressor. This will cool the air before it passes through the heater core. Cooling air removes moisture. This is why your car drips water from underneath in the summertime when you run the A/C. It is literally removing moisture from the air.
However, if your heater isn't working (blowing cold air even when on the warmest setting), then you may have a different problem.
SOURCE: license plate light doesnt work, need fuse number. charyslerr 300 05'
You need to change the bulb there.
SOURCE: heater blower doesnt work on 2005 chrysler 300
Locate the fuse pannel and check for blown fuse...If fuse not blown - check fan control relay for proper operation - If thats not the problem check for voltage at the switch.
SOURCE: 2005 Chrysler Town and Country Touring rear
If there is no power at either connector on the window the first place I would look is the harness that goes in between the hatch and the body. It is pretty common for the wires to break in that area.
I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
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