S80 L5-2.5L Turbo VIN 59 B5254T2 (2004)
Fold down the left and right-hand side panels in the cargo compartment.
Unplug the connector for the IR sensor on the control module for rear sound separation (RAS) in the cargo compartment.
Fit the IR sensor's cable harness in the passenger compartment.
Lowering the rear seat backrest cushion