Keyless Buzzer Replacement

Remove the rear bumper (see LOWER FRONT BUMPER GRILLE REPLACEMENT ).
Disconnect the 2P connector (A) from the keyless buzzer (B).

Fig 1: Identifying 2P Connector And Keyless Buzzer
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the buzzer from the bracket.
Install the buzzer in the reverse order of removal.