Android Auto too has a Developer Settings menu, that can be accessed in a similar way to what you would use to unlock them for your android smartphone.
It is important to remember that, just like the developer settings in your smartphone, these settings too can alter the user experience drastically.
For this reason it is advised that you only try to follow through with unlocking them, as long as you understand the consequences and are willing to face them.
Fortunately, as long as you know what you are doing, the rest of the process is painfully simple, since it is to be carried out through the Android Auto app itself.
So, in order to unlock the developer settings and tweak your Android Auto experience, follow these steps:
With these simple steps, you will be able to unlock and modify the developer settings for Android Auto. Have fun.