Android Auto has a developer menu you can access in seconds

Android Auto does a solid job of mirroring your phone's most useful apps on your car's infotainment screen. From maps to ...
XDA Developers on MSN

4 Android Auto features I didn't appreciate until I actually used them

None of it felt like much — until it did.
Android Authority

Android will soon remember your external display preferences just like a PC

Android will soon ask if you want to enable Desktop Mode or mirror your screen when connecting to an external display. A new “don’t ask me again” checkbox allows the system to remember your preference ...

I finally found the perfect dashboard configuration for Android Auto

Launch Settings . Navigate to Connected devices > Connection preferences > Android Auto. Next, go to Display > Customize ...