Well took my car to the dealer again and they finally agree that something is up. They however will not touch it as my battery is shot. So I purchased a battery and will need to take it back to the dealer on Monday.
They think I'll need a replacement turbo to remedy the P0299 code and the whistle that I hear is likely a transmission issue.
I love this car, but only 3 years in and I've been to the dealer more than my my last 4 cars combined.
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