https://wccftech.com/new-android-auto-update-overhauls-the-settings-menu-for-an-easier-experience/

There is no way to deny that Android Auto is not only famous but also happens to be very sought after. With that said, it is currently receiving a new update that brings a brand new user interface for the settings menu, along with the latest Google Play Services update. The updated UI does bring a number of design changes along with new interface elements.

The purpose of this change is to make it easier for everyone to connect their devices with their car. For those wondering, Android Auto version 5.5.602944 along with Google Play Services version 20.30.19 are now rolling out and you should be able to see a number of changes that are going to be good for everyone who is on Android Auto.