I tried a hidden Android Auto feature Google doesn't want you to know about

Google limits what Android Auto can do, but you can sideload apps to unlock YouTube, screen mirroring, and more. Here's how ...
ZDNet

3 Android Auto apps I sideloaded to make my car screen more useful instantly - and how

You can sideload Android Auto apps to add functionality. There are apps for watching YouTube, browsing the web, and more. You'll need to enable developer mode to ...