SiriusXM FIX for my 2018 Model S
If I park in my garage for 30 minutes with no satellite signal, I will lose SiriusXM on my computer screen. Check the settings, everything is gone.
Tesla must have a bug in the software when there is no signal for a certain time it disables SiriusXM
FIX
I pull out of my garage into a parking spot that is open to the sky.
I do a hard boot, by pushing both scrolls to reset.
FOR HARD REBOOT.
PUSH and HOLD both scroll down and hold down, do not release when you see the screen go off. Continue to hold down for about 2 minutes until you see the T on the screen. Once you see the T on the screen, then release the scroll.
SiriusXM will take about 1-2 minutes before it is back on your computer screen with all settings as you had them.