With XM

Remove the right rear side trim panel (see TRIM REMOVAL/INSTALLATION - REAR SIDE AREA ).
Disconnect the XM receiver connector (A) and the XM antenna lead connector (B).

Fig 1: Identifying XM Receiver Connector & XM Antenna Lead Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the bolts and screws, then remove the XM receiver.
Install the XM receiver in the reverse order of removal.