(blue).
It turns on to indicate that the high beam lights are on.

Illuminates when engine oil pressure is too low. It must turn on at key-on, but must turn off a few seconds after the engine has started.
It may come on briefly if the engine is very hot, but should go out again as engine speed increases.
Important
If this light (4) stays on, stop the engine or it may suffer severe damage.
(amber
Comes on when fuel is low and there are about 4 litres of fuel left in the tank.
Illuminates and flashes when the turn indicator is in operation.
It turns on in the case of "engine" and/or "vehicle" errors and in some cases will lock the engine.

(*) Depending on the model, each calibration of the engine
control unit may have a different "setting" for the
thresholds that precede the rev limiter and the rev limiter
itself. 
Note
If the over rev function light and the dtc intervention light should both come on at the same time, the instrument panel gives priority to the over rev function.
(amber yellow)
This turns on to indicate that abs is disabled or not Functioning.
Instrument panel (dashboard)
Lcd unit functionsLimitations
This emission control system warranty shall not cover any
of the following:
Repair or replacement required as a result of
Accident,
Misuse,
Repairs improperly performed or replacements improperly
installed,
Use of replacement parts or accessories not conforming
to ducati specifi ...
Lcd unit functions
Speedometer.
Gives road speed
Rev counter.
Indicates engine revs per minute.
Clock.
Water temperature indicator.
Indicates engine coolant temperature.
Important
Stop riding if the temperature reaches the maximum value, otherwise the
engine might be damaged.
...
Rear brake
Rear speed sensor (abs)
Screw
Washer
Spring
Brake switch (rear)
Brake lever (rear)
Rear pump - control unit pipe
Sealing washer
Pin
Bush
O-ring
Screw
screw
Rear brake disc
Rear brake calliper
Rear brake master cylinder
Hose clip
Pushrod
Screw
Rubber pad
...