Removing the subwoofer

Fig 1: Removing Rear Floor Hatch Turn Clips 90 Degrees

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the rear floor hatch
Turn the clips 90 °
Remove the nut using the grip handle
Lift up the front floor hatch
Lift the front section of the subwoofer. Pull the front section forward until the mounting in the rear panel releases
Disconnect the connector.