Yes, and on that note, I came across something the other that that is, in my opinion, just fliipin daft. An example:
The lower bar that is always displayed during navigation.
https://productforums.google.com/fo.../7TWJCuPPvK4;context-place=forum/android-auto
I just cannot see why that is a proper and official answer. There are so many ways to implement such a request safely and and simply. Ironically, there are other on-screen buttons that fade away during navigation and return when the screen is tapped.