WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
Carefully pry out the auxiliary jack assembly (A).
Fig 1: Prying Out Auxiliary Jack Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the 14P connector (B), and remove the auxiliary jack assembly.