Porsche Cayenne Owner's Manual page 205

5. Pull release lever A and fold the backrest
forward.
Rear seat assembly for comfort seats
6. Vehicles with comfort seats:
Insert support bracket of the backrest into the
support hook on the seat cushion (arrow).
Rear seat assembly for sport seats
6. Vehicles with sport seats:
Insert support bracket of the backrest into the
lug on the seat cushion (arrow).
Caution!
Risk of damage to the seat cover if the
support bracket of the backrest does not
latch into the lug on the seat cushion.
f Insert support bracket into the lug.
Luggage Compartment, Loadspace and Storage
205