reddit:

Ok, so I have been using carplay daily since the software update first came out for my Pioneer headunit at the beginning of October. I have played with every type of aftermarket Carplay headunit on the market, and have used my own headunit (the 4000-NEX) in my convertible Miata since the start. Here are my thoughts on Carplay as a solution to car infotainment, the performance of the various types of head units, my gripes, what Apple got right, and my hopes for future improvement.