If I had the opportunity I'd like to ask FCA Eng. this question: If a proper break in is critical (of which I do believe it is) then why not program in various constraints to help protect against the occasional misunderstanding or oops during each period?
Heck, I have a set of Bluetooth home speakers that where volume limited until the break in period was complete.
It looks to me that most everyone on this forum is VERY "tuned in" to their vehicle/s & its needs, and very likely did the text book break in.
But I have a suspicion that many 392 vehicles (& others) don't receive the proper attention from birth and are never right because of it

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