Ducati Monster 796 Workshop Manual page 190

Lights and indicating devices
Replace the lamp with a new one of the same type and rating (Sect. 3 - 1.1, Lights/instrument panel).
Note
Do not touch the transparent part of the bulb with your fingers, this will darken it and cause a loss of brightness.
Side lights (A)
To replace the side light bulb, withdraw the bulb holder (7) from the rear of the headlight. Extract the bulb and renew it.
Changing the number plate lamps
To access the lamp in the number plate light (8), open the number plate lens (9), pull the lamp out of the holder and
replace it.
High beam headlights relay
Located alongside the battery and fixed to the battery support. To reach this component it is necessary to remove the
seat, so insert the key in the lock and simultaneously apply downward pressure in the area of the catch to release the pin.
Pull the seat backwards to release it from the front catches and remove it from the frame.