Rear Antenna

Disconnect the ground cable from battery.
Remove the luggage floor box.

Fig 1: Identifying Luggage Floor Box Components
Courtesy of SUBARU OF AMERICA, INC.
Tilt the backrest and turn over the seat backrest cover.

Fig 2: Turning Over Seat Backrest Cover
Courtesy of SUBARU OF AMERICA, INC.
Remove the rear floor spacer CTR - front.

Fig 3: Removing Rear Floor Spacer CTR - Front
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector and remove the rear interior antenna.

Fig 4: Disconnecting Rear Interior Antenna Connector
Courtesy of SUBARU OF AMERICA, INC.