How do I activate SiriusXM service on this unit?
Press SRC/OFF to select [SIRIUSXM], then press the forward/back buttons to select Channel 0 to view the Radio ID. Activate the service online at www.siriusxm.com/activatenow or by calling 1-866-635-2349 for US subscriptions. The activation process typically takes 10-15 minutes and you'll see [SUBSCRIPTION UPDATED] when complete.
From the official Pioneer DEH-S7200BHS Car Receiver manual, page 20
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