How do I activate SiriusXM satellite radio service on this unit?

Press SRC/OFF to select [SIRIUSXM], then press the seek buttons to navigate to Channel 0 to find the Radio ID displayed on screen. For US subscriptions, visit www.siriusxm.com/activatenow or call 1-866-635-2349; for Canadian subscriptions, visit www.siriusxm.ca/activatexm or call 1-877-438-9677. The display will show [SUBSCRIPTION UPDATED] when the tuner has been successfully subscribed — press any key to clear the message. (Page 21)