Since it’s a 2021 and still under warranty, I would take it to a dealer and since a/c is considered a chassis issue it would fall to ford, but still I would check all the things mentioned beforehand just so you can tell the dealer what you think based on your observations and also so they can’t pull any funny business on any repairs,
I was a heavy truck mechanic for a big company and the issue we diagnose are always easier when the owner can say hey this don’t work and after I looked this is what I think versus I don’t know just fix it.
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