The activation of this (amber yellow) "warning" indicates that the engine coolant temperature is high.
It is activated when the temperature reaches 121C (250f).
Note
In this case, ducati recommends stopping and shutting off the engine immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedHelmet cable
Note
Helmet cable (2, fig. 104) Can be found inside the tool
kit, see "tool kit and accessories" on page 141.
Pass the cable through the helmet and insert the end of the
cable in the pin (3, fig. 104). Leave the helmet hanging and
refit the seat to hold it in place.
Warning
Th ...
Recovery procedure in the event of electric steering lock fault
If any fault occurs during activation of the electric steering lock: for
example, if the pin jams, if the handlebar is moved
while the pin is deployed or if there is excessive strain on the electric pin
actuator motor, the electric steering lock is
automatically disengaged and the hands free s ...
First warning - oil service 1000 km
The first warning is activated at 1000 km (600 miles) of odometer reading.
The (red) warning is activated as a large icon for 10 seconds upon every key-on
(1) then as a small warning that
remains displayed (2) until it is reset.
...