The activation of this (amber yellow) "warning" indicates that the engine coolant temperature is high.
It is activated when the temperature reaches 121C (250f).
Note
In this case, ducati recommends stopping and shutting off the engine immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedOperating principle
Introduction
The hands free system features two separate on/off buttons, either one of
which may be used as preferred by the rider.
For practical reasons, we recommend using the button on the handlebar rather
than the button located underneath the
plastic shield covering the hands free syst ...
Removal of the front brake master cylinder
Warning
The brake master cylinder manufacturer advises against servicing the
brake master cylinder due to the safety critical
nature of this component. Incorrect overhaul of these critical safety components
can endanger rider and passenger safety.
Maintenance operations on these units are l ...
Removal of belly fairing
Loosen and remove the screws (5) and (8) that secure the oil cooler (7) to
the rh (1) and lh (2) belly fairings.
Remove the lh belly fairing (2) by loosening the screws (3) with relevant
washers (4) and the screws (12).
Follow the same procedure to remove the rh belly fairi ...