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 diagnosisMenu 2 on/off function
This function turns off and back on the menu 2.
If menu 2 is disabled, the functions for average fuel consumption (cons.Avg),
instantaneous fuel consumption (cons.),
Average speed (speed avg), trip time (trip time) and air temperature (air) will
no longer be displayed in the "main
screen". ...
Rear-view mirrors
Rear-view mirror
Screw
U-bolt
Spring washer
Spare parts catalogue
Diavel abs handlebar and controls
Diavel carbon
abs
handlebar and controls
Important
Bold reference numbers in this section identify parts not shown in the
figures alongside the text, but which can be found in
...
Injection and ignition
Introduction
Ignition is via a single stick coil per cylinder installed in the spark plug
well. Each thermal unit is supplied by a single
injector, placed under the throttle valve. The amount of fuel injected and the
ignition advances are determined by the
control unit specifically for each c ...