XM Antenna Replacement

Pull down the rear portion of the headliner (see HEADLINER REMOVAL/INSTALLATION ). Take care not to damage the headliner.
Disconnect the XM antenna connector (A).

Fig 1: XM Antenna Connector, Nut And XM Antenna With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the nut (B) from the XM antenna (C), and remove it.
Install the XM antenna in the reverse order of removal.