Google promised that the phone driver assistant mode would arrive in mid-2019, but this obviously did not happen – more than a year passed without a trace of it. Looks like he’s ready. XDA developers has discovered (through Android police) that the Google Assistant driving mode is at least partially enabled for Android users. The interface has changed significantly since the I / O 2019 demonstration you see above, but the concept remains the same with large buttons and text that allow you to talk, send messages and play music, while distracting from driving to minimum.
The exit seems to be on the server side and may be part of a test. It is not attached to specific versions of Google Maps or search applications, and also works on different devices. Your access may depend on your account.