There is a way to enable a split-screen mode on Android Auto so that you can have Google Maps paired with another app like Spotify.
Android auto split screen - Is there a way to disable split screen? I
Android Auto tests swapping panes in its new split-screen UI
How to use Android Auto's split-screen interface
How to enable Android Auto split screen mode on the Kia EV6
User's Manual
How to enable Split Screen on Android 13 for Multitasking
Android Auto updated / 10.5 / split screen : r/rav4club
How to Use Split Screen on Android Auto
Google's new split-screen look for Android Auto is rolling out to
How to enable Android Auto split screen mode on the Kia EV6
How to use Android Auto's split-screen interface