Outback Model

Disconnect the ground cable from battery and wait for at least 60 seconds before starting work.
CAUTION: The airbag system is fitted with a backup power supply. After disconnecting the battery ground cable, the airbag may operate if you do not wait for 60 seconds before starting the service of airbag system.
Remove the rear seat cushion assembly.
1. Pull up the seat cushion and release the hook.
  CAUTION: If the hook is disconnected from the vehicle body, replace the hook with the new part to prevent the decline of the fixed force of the seat.
  
  Fig 1: Identifying Rear Seat Cushion Assembly Hook
  Courtesy of SUBARU OF AMERICA, INC.
  
  Fig 2: Removing Rear Seat Cushion Assembly
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the hook (A) by pushing it back while lifting the front side of the seat cushion, and remove the seat cushion assembly.
  
  Fig 3: Removing Seat Cushion Assembly Hook
  Courtesy of SUBARU OF AMERICA, INC.
Release the clips and claws, and then remove the side sill cover - rear INN. (On the side where airbag sensor is removed)
CAUTION: Do not pull with excessive force. Doing so may damage the claws of the side sill cover INN.

Fig 4: Removing Side Sill Cover - Rear INN
Courtesy of SUBARU OF AMERICA, INC.

NOTE: To release the claws of the side sill cover INN, the following steps are recommended.
1. Take out the weather strip from under the side sill cover INN.
2. Turn over the floor mat and release the claw (C-C and D-D) by accessing from behind the side sill cover INN.
Remove the headrest.
Remove the backrest assembly RH.
1. Remove the hinge bolts at the front of the backrest assembly RH.
  
  Fig 5: Locating Front Backrest Assembly RH Hinge Bolts
  Courtesy of SUBARU OF AMERICA, INC.
2. Tilt the backrest forward, and then turn over the backrest backside mat.
  
  Fig 6: Tilting Backrest Forward
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the clips, and remove the rear floor mat - front.
  
  Fig 7: Removing Rear Front Floor Mat
  Courtesy of SUBARU OF AMERICA, INC.
4. Remove the nuts at the rear of backrest hinge.
  
  Fig 8: Locating Nuts At Rear Of Backrest Hinge
  Courtesy of SUBARU OF AMERICA, INC.
5. Disconnect the backrest cable and reclining cable.
  
  Fig 9: Disconnecting Backrest And Reclining Cable
  Courtesy of SUBARU OF AMERICA, INC.
  
  NOTE: The backrests cannot be detached while pin positions of the hinge assembly and backrests are not aligned.
6. Remove the backrest assembly RH from the hinge assembly RH.
  
  Fig 10: Locating Backrest Assembly RH
  Courtesy of SUBARU OF AMERICA, INC.
  
  NOTE: The backrests cannot be detached while pin positions of the hinge assembly and backrests are not aligned.
7. Take out the part outside the vehicle so that the body is not damaged by the hinges.
Remove the bolts, and remove the backrest side pad assembly RH.

Fig 11: Locating Backrest Side Pad Assembly RH Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the clips, and remove the luggage floor box and rear floor edge cover.

Fig 12: Identifying Luggage Floor Box And Rear Floor Edge Cover Fixing Clips
Courtesy of SUBARU OF AMERICA, INC.
Remove the rear quarter trim LWR. (On the side where airbag sensor is removed)
1. Remove the caps, screws, and bolts. (A), (C)
2. Take out the hook and remove the screw inside. (B)
3. Remove the clips, and remove the rear quarter trim LWR.
  
  Fig 13: Identifying Rear Quarter Trim LWR Fixing Clips
  Courtesy of SUBARU OF AMERICA, INC.
Remove the nut and then remove the curtain airbag sensor assembly.
1. Push the lock arm.
2. Holding outer part, pull it one step in the direction of arrow.
3. Push the lock arm again.
4. Holding outer part, pull it in the direction of arrow to disconnect the connector.
  
  Fig 14: Locating Curtain Airbag Sensor Assembly Connector And Mounting Bolt
  Courtesy of SUBARU OF AMERICA, INC.