Ducati Multistrada 1200 2016 Owner's Manual page 199

If engine is not started within 60 seconds since
manual ignition, the low and/or high beam lights are
turned OFF.
If the low beam and/or high beam was turned on
before starting the engine (with the procedure
described above), the headlight turns off
automatically when starting the engine and will turn
ON again when the engine has been completely
started.
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