in the android auto app you can’t view your playlist’s songs, or even change the order of the playlist, which makes the android auto app almost useless since I always use my phone to choose a specific song or choose the playlist order, your only option is to shuffle with the AA app alone.
This is the Deezer player in AA:

This is the Youtube Music player in AA:

This is Youtube music playlist view:

and it’s not only YT music who has this basic feature, spotify also has it.
I have a complete faith in you guys to add this basic feature which apparently you guys have it in Car Play which is a bit odd.