LG G8 ThinQ - Change Google Navigation voice
Change Google Navigation voice
If you prefer a different voice when listening to the Google Maps voice navigation, you can select another language or accent.
To change this, go to Settings. Then select System – Language and input – Text-to-speech options. Then under the Preferred text-to-speech engine, press the gear icon.
From there, select Language and you will be able to choose from different languages or language variations.