Pairing Tivo Roamio Plus remote with Sonos Playbar
Press Tivo button & C and hold until flashes red three times. Then in sonos application on computer, open preferences-tv-remote setup and follow prompts. If its not recognizing the remote when you're asked to press volume up three times, try holding Tivo & C again until flashes red. Then proceed with sonos prompts. When it asked me to then press mute three times, it muted sound on the third press & it worked successfully.