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, stop the vehicle and switch the engine off immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedAdjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest.
Set the vehicle on the side stand. Push down
the chain at the point of measurement and release. Measure the distance between
the "aperture" upper profile and pin
centre.
The read distance must be: 9 to 11 mm.
...
Operations to be carried out by the dealer
List of operations to be performed at 1000 km
Reading of the error memory with dds on the engine control units,
vehicle and abs
Change the engine oil
Change the engine oil filter
Check the indicators and lighting
Check the safety devices (side ...
Symbols - abbreviations - references
To allow quick and easy consultation, this manual uses graphic symbols to
highlight situations in which maximum care is
required, as well as practical advice or information. Pay attention to the
meaning of the symbols since they serve to avoid
repeating technical concepts or safety warnings th ...