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:
Rear light cluster
To replace a bulb, proceed as follows:
Versions equipped with rear brackets:
1) Working inside the vehicle: remove the plastic cover fig. 25 set on the speaker
seat fitting the screwdriver under t ...
Information on standard screen
❒ Total odometer (A).
❒ Clock (B).
With ignition key removed and front doors closed the display is off.
With ignition key removed, when opening one of the front doors the display co ...
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 ...