Ducati DIAVEL Owner's Manual page 219

Warning
The headlight might fog up due to washing, rain
or moisture. Switch headlight on for a short time to
dry up any condensate.
Carefully clean the phonic wheels of the ABS so to
ensure system efficiency. Do not use aggressive
products so to avoid damaging the phonic wheels and
the sensors.
Note
Do not use alcohol or alcohol-derived products
to clean the instrument panel.
Pay special attention to regularly clean the wheel rims
since they feature some machined aluminium parts;
clean and dry them any time you use the motorcycle.
Warning
To clean side panniers, use warm water, neutral
soap and a soft cloth. Soap and a soft brush may be
used to clean zips; rinse with clean water. Do not use
aggressive detergents and hard cleaning utensils.
Zips that are hard to open may be loosened with a
small quantity of talcum powder.
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