Hands-free loudspeakers

Remove: 

• the seat from the car. See Lifting the front seats in and out for manual seats. See Lifting seats in and out for power seats
• the head restraint according to
• the backrest upholstery according to Upholstery back rest, replacing

Fig 1: Tie Straps Under Seat

Courtesy of VOLVO CARS OF NORTH AMERICA.

• the tie straps under the seat
• the connector.

Fig 2: Identifying Tape And Loudspeaker In Head Restraint

Courtesy of VOLVO CARS OF NORTH AMERICA.

• the loudspeaker.

Install: 

In reverse order.