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:
Manual Transmission – If Equipped
The Sport mode increases steering feedback to the driver with slight increases
in effort and throttle pedal-to-engine response. This driving mode is useful while
driving on twisty roads where more ...
General instructions
❒ When a light is not working, check that the corresponding fuse is intact before
changing a bulb. For the location of fuses, refer to the paragraph “If a fuse blows”
in this section;
...
Acceleration
Rapid acceleration on snow covered, wet, or other slippery surfaces may cause
the driving wheels to pull erratically to the right or left. This phenomenon occurs
when there is a difference in the ...