OK it's real easy to switch SIRIUS receivers. If you're just changing out the radio (brand , model, etc) and using the same satellite receiver you don't have to do anything as far as your subscrition goes. If you're putting in a new reciever, then you need to get the ESN number. See your radios manual for finding, it's usually in the main menu. Call SIRIUS 1-888-539-7474 and tell them the ESN number that's registered, that you're switching to a new reciever and give them the new ESN number (you can get the new one off the box or the unit. Also you can't hook up both SIRIUS and XM to the same radio (for those systems that support both) it won't work.

 

Where do you find the ID/ESN on the NAV unit. I need to reactivate my sirrus. Thanks