https://us.community.samsung.com/t5/Fold-Flip-Phones/Google-Assistant-voice-command-does-not-activate-when-driving/m-p/2512312/highlight/true
Solved: Re: Google Assistant voice command does not activa... - Samsung Community - 2512298
Feb 27, 2023 - You can try retraining your voice assistant in the Voice Match settings and also making sure the option to access it with the screen locked - 2512298
google assistantvoice command