XM Radio Box

[DStaehlin]

Does anyone know were I should look for the XM Radio transmitter/receiver - it has the serial number on it - which I need to activate the radio.

[Tdbrn]

It really depends on the receiver many newer radios do have them near where it plugs into the base, but all the radios I've ever owned, subscriber since 2003, just go to ZERO (0), just below the preview channel #1, and the radio will display the Radio ID number. And NO letter O's in the ID if there are any they're zeros. The service certainly isn't what it used to be but it's still great for traveling!