The activation of this (amber yellow) "warning" indicates that dtc (ducati traction control) has been turned off.
Note
In this case, ducati recommends being very careful when riding as the vehicle behaviour will be different in comparison to when operating with the traction control activated.

Low battery level
Hands free key (hf) not recognisedRiding mode set indication
This function indicates the "riding style" set for the vehicle.
Three "riding modes" are available: sport, touring and urban.
Each riding mode can be changed using the "riding mode" function.
Note
The background of the riding mode (sport, touring or urban) is blue (1) if
currently set ridi ...
Indicator cons. - Instantaneous fuel consumption
This function indicates the "instantaneous" fuel consumption.
The calculation is made considering the quantity of fuel used
and the distance travelled during the last second. The datum is
expressed in "l/100" (litres / 100 km); it is possible to change
the units of measurem ...
Riding style function (riding style change)
This function changes the motorcycle riding style.
Each riding style is associated with a different intervention level of the
traction control (dtc - ducati traction control) and
different engine power and output.
To change the motorcycle riding mode, press the reset button once
(3) and th ...