The activation of this (amber yellow) "warning" indicates that the hands free system was not able to extract the steering lock.
Warning
In this case, ducati recommends turning the vehicle off and on (key-off / key-on) holding the handlebar pressed down to the end stop. If the signal remains (and the steering does not "release") contact a ducati dealer or authorised service centre.

High engine coolant temperature
Instrument panel diagnosisThrottle valve actuator motor relay
Introduction
The throttle valve actuator motor is powered by the engine control unit. The
engine control unit receives the necessary
power from a specific relay.
Component assembling position
A injection relay; b etv relay (throttle valve actuator motor), c radiator
fan relay, d engine c ...
Identification data
All ducati motorcycles have two identification numbers, for
frame (fig. 1) And engine (fig. 2).
Note
These numbers indicate the motorcycle model and
should be quoted when ordering spare parts.
...
The battery charging circuit and power distribution
On the diavel, the +15v (key on power) voltage does not come from a
conventional ignition key, but from pin 30 of the
hands free relay. This relay is switched to closed state by the hands free unit
when the latter enables power on for the
ignition and engine. The hands free relay receives +30v ...