This is a phased roll-out, so not all regions will yet have access to the new version (in the UK I found I was still on Android Auto V13.9 at the time of writing), but thanks to s

With Android Auto 14.0 rolling out, code spotted in the app suggests that Gemini will soon replace Google Assistant.

Android Auto 14, the latest version of Google's vehicle-centric operating system (OS), began rolling out in beta earlier this month. The build, which highlighted upcoming temperature and defrost controls, seems to be transitioning to a stable release, bringing not only enhanced vehicle system controls, but also the long-awaited Gemini integration.