With Audio Unit

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).
Remove the bolts (A) and the screws (B), then remove the radio brackets (C) from both sides of the audio unit (D).

Fig 1: Identifying Radio Brackets, Audio Unit And Bolts And Screws
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the screws, then remove the center pocket (A).

Fig 2: Identifying Center Pocket And Screws
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the center pocket in the reverse order of removal.