I'm having a real problem trying to sort out some air direct/flap problems.
Before i get into that is it normal for the air condensor to switch on and off while you have the air button off and all knobs off of AUT?

Defrost uses the AC. Just curious, but why would you want to disable the auto function or turn the AC switch off?

Klaus
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Did you do your Random Act of Kindness today?

I just assumed since it's cold out why would i want the AC button on. I never use AUT on the air divert dial except for using the AC in summer. As of now I have no defrost with winter coming up quick.

When the outside temp fals below 50F or so, the Auto function will not use the AC. In the winter, using the Auto function allows the antifreeze to heat up before starting up the blower - usually in 1/2 mile.

If you put the switches on Auto/Auto do the orange lights blink when you start the car? That indicates there is a problem with the vents, temp sensors, etc.

If you are putting the vent selector on defrost and you do not get air flow at the bottom of the windshield, you will need to check the codes with a code reader that can check the ECC - usually dealer or a laptop scanner.

Up here in the colder climate, I never use defrost to keep the windshield free from snow/ice. The colder the windshield, the cleaner it stays without wipers on. I also crack the driver's window about 1/2 inch to get rid of any fog on the inside of the car.

Klaus
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Did you do your Random Act of Kindness today?