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 lockedRemoval of the generator cover
Note
This operation is described for an engine removed from the frame since all
reassembly procedures are easier with the
engine on the bench.
Disconnect the connector (a) from the generator cable.
Unscrew the two retaining screws (7) of the centre cap (6) over the end of
the cranksh ...
Lap registration function
This function describes the "lap" time registration.
If the function is activated (see "lap activation/deactivation
description), the lap time can be registered as follows:
Pressing the flash headlight button (11, fig. 12) The first
time starts the "lap timer" for ...
Changing the coolant
Warning
This operation must only be carried out when the engine is cold.
Attempting to change the coolant with the engine hot
could lead to burns from hot coolant or scalding steam.
Place a container under the engine and place the motorcycle on its side
stand.
Remove the expansion reserv ...