Ducati Monster 796 Workshop Manual page 443

Tail light-number plate holder and locks
previous paragraph.
Separate the spray guard (1) from the number plate holder (3) by unscrewing the screws (7).
Remove the end fitting (A) and release the lock cable (26) from the latch lever (31).
Remove the end fitting (B) and release the lock cable (26) from the latch lever (29).
Unscrew the nut (28), remove the lever (29) and withdraw the seat lock (27).
Refitting the seat release mechanism
Fit the seat lock (27) in the housing in the spray guard (1), inserting the lugs (C) in the slots (D) as shown in the figure.