The issue started last week. I know the tech at Best Buy and he said it makes no sense since it works perfectly in ACC mode. He checked the harness and everything else, said everything looks good. Why would an head unit only work instantly in ACC mode and take a while to work once the car is turned on fully. Its very baffling. I went on vacation for 5 days came back yesterday and it went right on. I started it today and it took 10 minutes, but in ACC mode it worked off the bat
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