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 lead connector (A)

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