Without Navigation

Remove the center console (see CENTER CONSOLE REMOVAL/INSTALLATION ).
Remove the bolts (A) and the USB adapter control unit (B), then remove the bolts (C) and brackets (D) from the USB adapter control unit.

Fig 1: USB Adapter Control Unit And Bolts With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the USB adapter control unit in the reverse order of removal.