Volvo C30 2007 Service And Repair Manual page 339

ACCESSORIES AND BODY, CAB Interior - Installation Instructions, Accessories
Fig. 33: Identifying Passenger Seat Backrest Forward
Courtesy of VOLVO CARS CORPORATION
Fold the passenger seat backrest forward.
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Fig. 34: View Of Seat Runners
Courtesy of VOLVO CARS CORPORATION
Slide the front seat as far forward as possible so that the seat wings are visible.
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2012 Volvo C30 T-5