The activation of this (amber yellow) "warning" indicates that dtc (ducati traction control) has been turned off.
Note
In this case, ducati recommends being very careful when riding as the vehicle behaviour will be different in comparison to when operating with the traction control activated.

Low battery level
Hands free key (hf) not recognisedRenewal of the headlight
Disconnect the headlight connectors (a) from the main wiring (refer to the
tables of paragraph "routing of wiring on
frame", sect. 6 - 1).
Loosen nuts (2) that fix the front optical unit to the bottom yoke, and
recover the washers (3).
Remove the complete front optical unit by sliding ...
Low hands free key (hf) battery level
The activation of this (amber yellow) "warning" indicates
that the hands free system has detected that the battery
that permits the active key (1, fig. 62) To communicate and
turn the vehicle on is almost discharged.
Note
In this case, ducati recommends replacing the battery
as soon ...
Reassembly of the timing pulleys
Fit the pulley (11) on the flange (24), aligning the timing mark (d) on the
pulley with the timing mark on the (e) on the
flange.
Install the washer (23) up against the pulley, aligning the timing notch (f)
with the timing marks on the pulley and the
flange.
Insert the three screws (22) ...