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:
Operation
Each time the ignition key is turned to STOP, or PARK, the protection system
will automatically immobilise the engine.
When the key is turned to MAR to start the engine:
1) if the code is recognis ...
Media Player
With the BLUE&ME™ media player you can play, via the car sound system, the digital
audio files stored on a USB device by simply connecting it to the USB port located
in the glove box of the ca ...
Driver’s front air bag
It consists of an instant-inflating cushion contained in a special recess in
the centre of the steering wheel. ...