Google has unveiled the 'Coolwalk' refresh of Android Auto, which leaked earlier this year. Due to arrive this summer, the UI update should provide a better experience for non-standard display formats, particularly wide-screen ones.
https://www.notebookcheck.net/Google-I-O-2022-Android-Auto-Coolwalk-refresh-introduced-for-small-and-large-in-car-displays.619937.0.html