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Old Dec 22, 2020 | 09:18 PM
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Default A/c

Why does my a/c come on as soon as I turn my fan on. No matter what, no matter how hot or how cold it is or what setting i had it on previously, as soon as I turn the fan on, the a/c comes on.

Last edited by Buckner21; Dec 22, 2020 at 09:19 PM.
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Old Dec 23, 2020 | 07:52 AM
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Is AUTO DEFOG set to ON? Check settings on the infotainment screen under the Climate and Air Quality section.

See your owner's manual for more details. You can download an electronic copy of the manual from the link in C7General / Sticky Threads section.

Ron

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Old Dec 23, 2020 | 08:15 AM
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Yeah I turned the auto defogger off and the a/c still comes on🤷‍♂️. I've looked in the owners manual and everything, evidently I'm over looking something.
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Old Dec 23, 2020 | 01:03 PM
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Cant help you but curious why you would ever turn your fan off. Mine hasn't been off since I bought my car.
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Old Dec 23, 2020 | 01:25 PM
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Is the passenger side set to a lower temperature? What happens when you push the A/C button? That should force it to turn off unless Auto is activated.
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Old Dec 23, 2020 | 01:26 PM
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The A/C in modern cars is almost always on, including in the winter.
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Old Dec 23, 2020 | 01:30 PM
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Yeah, when I hit the a/c button it goes off I was just curious why no matter your settings the a/c comes on when the fan is turned on.
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Old Dec 23, 2020 | 01:35 PM
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Originally Posted by Buckner21
Yeah, when I hit the a/c button it goes off I was just curious why no matter your settings the a/c comes on when the fan is turned on.
If you have the temp set to low, you can't turn the a/c off when the fan is on. You have to have the temp set to 61 or higher.

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Old Dec 23, 2020 | 01:35 PM
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Originally Posted by Maxpowers
Cant help you but curious why you would ever turn your fan off. Mine hasn't been off since I bought my car.
preference, I don't want my fan running all the time.
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Old Dec 23, 2020 | 01:37 PM
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Originally Posted by owc6
If you have the temp set to low, you can't turn the a/c off when the fan is on. You have to have the temp set to 61 or higher.
It doesn't matter what temp i have it set on,, it automatically comes on when i turn the fan on.
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Old Dec 23, 2020 | 06:53 PM
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I've always just set it to auto with temp set to 70 and left it alone to do it's thing. Always very comfortable regardless of outside temperature.
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Old Dec 23, 2020 | 07:24 PM
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My guess ( I couldn't find any specifically addressing this in the OM, either) is that it reverts to A/C on as default, just like the driving mode reverts to T in any other mode besides S when the system is turned off and then on.

I always keep my A/C on, so I never noticed that it did that.
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