1. Remove Google’s Restrictions: Enable Developer Mode
To improve your Android Auto experience, start by removing Google’s restrictions. Open the app settings, scroll down to version and permission info, and tap it ten times in a row. This will give you access to the Developer Settings app.
2. Use Taskbar Widgets
Taskbar widgets have been introduced in Android Auto, allowing you to see your currently playing podcast, audiobook, or music on the bottom of the screen while driving. To switch them on, go to Settings > Connected devices > Connection preferences > Android Auto.
3. Make the Most of Your Apps
Use the apps you use most and explore their Android Auto versions. You can also play games on Android Auto when parked. Keep your phone’s battery life in mind when using wireless charging or wired connections.
4. Get Your Routine Down with Google Routines
Create routines to automate parts of your commute, such as sending messages or switching playlists. This feature allows you to set up custom routines for your usual commute comforts.
5. Organize Your Launcher and Download Music/Maps
Uninstall unused apps from your Android Auto launcher and download music playlists and maps to improve connectivity during long drives.
Source: https://www.androidpolice.com/using-android-auto-wrong-these-upgrades-are-game-changers