Applies to S60 without loudspeaker grilles in the parcel shelf panel

Fig 1: Identifying Seat Cushion

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the seat cushion (1). First pull the front edge of the seat cushion up. Pull forwards. Then lift the seat cushion out.

Fig 2: Lower Side Seat Belt Mounting Screw

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the screw (1) in the lower seat belt mounting on the right and left-hand sides in the rear seat. There are new screws in the kit.

Fig 3: Lower Center Seat Belt Mounting Screw

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the screw (1) in the lower seat belt mounting in the center of the rear seat. A new screw is included in the kit.

Fig 4: Seat Belt Side Pieces And Parcel Shelf Panel

Courtesy of VOLVO CARS OF NORTH AMERICA.

Pry off the seat belt side pieces (A) from the parcel shelf panel. Use a weatherstrip tool.
Insert the seat belt end mountings and side pieces through the holes in the parcel shelf panel (B).
Remove the parcel shelf panel to make the holes.

Fig 5: Removing Insulation Panel From Underneath Parcel Shelf Panel

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the insulation panel from underneath the parcel shelf panel.
Saw out the two embossed circles. Even off the edges.
Scrape off any remains of the insulation panel to access the pre-embossed holes for the loudspeaker grille.
Drill out the eight embossed holes for the loudspeaker grille using a Ø 7 mm (9/32") drill.
Clean around the hole edges.
Repeat the operation on the other side.

Fig 6: Loudspeaker Grille

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 7: Installing Locking Washer

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install the locking washer on the eight lugs for the loudspeaker grille. Counterhold the other side of the panel. Press the locking washers into place. Do not damage the loudspeaker grille when securing into place.
Repeat the operation on the other side.