Ducati DIAVEL V4 2024 Owner's Manual page 162

The actual switching on (heating) of the heated
handgrips is indicated by the colour of the icon
(C, Fig 122):
black if the display is set to "Light" (see page
●
201)
white if the display is set to "Dark" (see page 201)
●
When the handgrip heating is not active, the icon
(C, Fig 122) is grey.
161