Turning the key to MAR the warning light on the dial turns on, but it should go off as soon as the engine is started.
If the 
warning light turns on when
the car is travelling (on certain versions together with the message on the display),
stop the engine immediately and contact a Fiat Dealership.
See also:
Seat Belts And Pregnant Women
We recommend that pregnant women use the seat belts throughout their pregnancy.
Keeping the mother safe is the best way to keep the baby safe.
Pregnant women should wear the lap part of the belt ac ...
Onboard Diagnostic System – OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called
OBD II. This system monitors the performance of the emissions, engine, and automatic
transmission control systems. Wh ...
Failure warning lights
Any failure is indicated by cluster warning light
coming on together with the message
on the reconfigurable multifunction display (where required) (see section “Warning
lights and messages”). In ...