The final cut of the 8th episode of the Tesla Motors Club Podcast, featuring Balazs Biro, of the prominent Hungarian EV channel Villanyautósok, is now available. You can watch it now on YouTube or listen to it on all major podcast networks.
You could install a remote control relay to connect or disconnect the speaker. This way you could choose to turn it on or off as you wish. Basically becomes a mute function. Since you need to have your phone with you to drive a Tesla, get one that allows you to control the switch via the phone. Something like this would work well. https://www.amazon.ca/DSD-TECH-Bluetooth-Control-Compatible/dp/B07CZF154L