With XM

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

Remove the right rear side trim panel (see TRIM REMOVAL/INSTALLATION - REAR SIDE AREA ).
Disconnect the antenna 2P connector (A) and 14P connector (B) from the XM receiver (C).

Fig 1: Disconnecting Antenna 2P Connector & 14P Connector From XM Receiver
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Loosen the three nuts, and remove the XM receiver.
Install in the reverse order of removal.