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 as possible as described in the paragraph "replacing the active key battery" (page 88).

Hands free key (hf) not recognised
High engine coolant temperatureDistance travelled on fuel reserve: trip fuel
This function shows the distance travelled on fuel reserve (in km or miles
depending on the specific application).
When the fuel light comes on, the display automatically switches to the "trip
fuel" indicator.
Trip fuel reading remains stored even after key-off until the vehicle is
refue ...
Refitting the rear-view mirrors
Start the screws (2) in their thread on the rear-view mirrors (1), inserting
the washers (4) as shown in the picture.
Insert the rear-view mirrors (1) in the u-bolts (3).
Tighten the screws (2) to a torque of 25 nm +/-10% (sect. 3 - 3, Frame torque
settings).
Warning
The left rear-view ...
Bleeding of the abs hydraulic system
If some "sponginess" is detected on the brake control, due to air bubbles in
the system, bleed the system, as indicated in
sect. 4 - 3, Changing the brake fluid.
Before bleeding a brake pump, move back the calliper pistons, as indicated in
(sect. 4 - 3, Changing the brake fluid) to Drain in ...