What am I doing wrong?

So, new Model Y owner (premium RWD) with FSD. When I stop somewhere while listening to Sirius XM, get back in and input by voice a new destination…I have no volume on Sirius. The little menu on left side of the screen with play, FF, Rev buttons does zip. Volume does zip. If I then switch source to say Spotify…everything works fine. Switch back to Sirius and all is good. Any ideas? Am I screwing it up somehow. My workaround of switching sources works but is annoying. Thanks to all, appreciate all the great wisdom on this feed!!