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:
To Lock The Doors And Liftgate
Press and release the LOCK button on the RKE transmitter to lock all doors and
the liftgate. The turn signal lights will flash and the horn will chirp to acknowledge
the signal. If a door is ajar ...
Floor Mat Safety Information
Always use floor mats designed to fit the footwell of your vehicle. Use only
floor mats that leave the pedal area unobstructed and that are firmly secured so
that they cannot slip out of position ...
The signs to help you drive correctly
The signs you see on this page are very important. They highlight those parts
of the handbook where, more than anywhere else, you should stop for a minute and
read carefully.
As you can see, each ...