Subject, body and destination — copy, send through the official route, keep the confirmation.
| Topic | Details |
|---|---|
| Official route | phone 1-866-635-2349 or the online chat — no self-serve cancel |
| Where to send the email | SiriusXM listener-care chat/phone — no public cancel email |
| Support hours | phone Mon–Sun 8am–8pm ET |
| Refund policy | prepaid multi-month plans may refund unused full months — ask explicitly and note the agent |
| Watch out | no online self-serve cancel — phone or chat only, and the retention gauntlet is real |
| Watch out | expect repeated discount offers; a polite 'cancel effective at period end, please confirm in writing' ends the loop |
| Watch out | car-radio trials auto-convert — cancel before the trial date on your paperwork |