The activation of this (amber yellow) "warning" indicates that the status of the battery vehicle is low.
It is activated when the battery voltage is . 11.0 Volt.
Note
In this case, ducati recommends charging the battery as soon as possible with the specific device, as it is possible that the vehicle will not start.

Warning indication (alarms/signals)
Traction control (dtc) deactivatedRemoval of the control unit
Loosen the screws (1) and remove the relay supporting bracket (2), disconnect
the connectors (3) and remove the control
unit (4) from the vehicle.
...
Checking brake and clutch fluid level
The levels should not fall below the min marks on the
respective reservoirs.
If the level is too low, air can get into the circuit, thus
impairing the efficiency of the system.
Brake and clutch fluid must be topped up and changed at the
intervals specified in the scheduled maintenance table ...
Front and rear mudguard
Front mudguard
Washer
Rivet
Clip
Screw
Spacer
Screw
Rear mudguard
Screw
Spare parts catalogue
Diavel abs rear swingarm
Diavel abs belly fairing
Diavel carbon
abs
rear swingarm
Diavel carbon
abs
belly fairing
Important
Bold reference numbers in this section identif ...