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 ¼ 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 rear shock absorber
Loosen the screws (22) and remove the assembly (34) from the frame.
Loosen the screws (27) and remove the tank unit (s) of the shock absorber
from the support (19).
Hold the lh bush (6) and loosen the rh bush (5) to release the front side of
the shock absorber assembly.
Un ...
Hands free key (hf) not recognised
The activation of this (amber yellow) "warning" indicates that the hands free
system does not detect the active key (1,
fig.62) Near the vehicle.
Note
Check that the active key (a) is near the vehicle (and has not been lost)
or that it works properly.
...
Explanation of the function of the ride-by-wire system
Mechanism
Via metal cables, the throttle grip operates a roller mounted on one end of a
spindle located near the horizontal cylinder
throttle valve spindle.
The aps sensor, which measures the position of the throttle grip itself, is
mounted on the opposite end of this spindle.
A mechanic ...