Removing Rear Seat-Surface Extension

Cut the relevant tie wrap -1- .

Fig 1: Cutting Tie-Wrap
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Disconnect electric plug connection at the rear switch. → 727619 REMOVING AND INSTALLING SWITCH FOR REAR SEAT ADJUSTMENT
Unscrew and remove fastening nuts.

Fig 2: Removing Rear Seat Fastening Nuts
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove seat-surface extension by pulling it up at the front.

Fig 3: Removing Seat-Surface Extension
Courtesy of PORSCHE CARS NORTH AMERICA, INC.