Remove the rear bumper.
Disconnect the 2P connector (A) from the rear bumper LF antenna (B).
Remove the two bolts and the rear bumper LF antenna.
Install the antenna in the reverse order of removal.
Honda Odyssey Service Manual > Speaker Test/Replacement: Subwoofer Remove the left rear side trim panel. Remove the bolts (A) and the nuts (B) from the subwoofer (C). 1 2 CA6 x 1.0 mm 9.4 N ...