Ducati XDIAVEL Owner's Manual page 286

The red oil pressure warning light (4, Fig. 196) should
go out a few seconds after the engine has started.
1
The engine will shut off by turning the red button (1)
on the handlebar to RUN OFF. To turn on the "Hands
1
free" system and all electronic onboard systems,
refer to page 239 "Hands Free System".
Fig. 198
285