alt Hacker NewsDisabling the hardware can be really hard, my 2025 Toyota Sienna is always connected. You can't just pull a fuse or rip out an antenna, I have to take the entire dashboard apart to reach the Data Communication Module (DCM) module. If anyone's curious what that looks like, it's a little bit easier on the Toyota Tacoma, here are some pictures of the process: https://www.tacoma4g.com/forum/threads/disabling-dcm-telemat...
It's complex enough that I haven't done it yet in my Sienna, but I plan to!
On a 2021 Camry there is an below-dash fuse labeled "DCM" which you can remove (and it does disable OnStar/telemetry, but not sat.radio[0]) — it also disables one of the speakers (used for phone calls), which there is a bypass to resolve (but it still requires removing infotainment, so at that point just unplug it there.?!).
[0] It was my understanding that, like GPS-receivers, Sirius/XM was one-way streaming, only..?