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:
Supplemental Seat-Mounted Side Air Bag (SAB)Inflator Units
The Supplemental Seat-Mounted Side Air Bags (SAB) are designed to activate only
in certain side collisions.
The ORC determines if a side collision requires the side air bags to inflate,
based on ...
Button volume (Keys Volume)
The volume of the roger-beep accompanying the activation of certain buttons can
be adjusted according to 8 levels. The roger-beep can be adjusted and excluded.
To adjust the volume proceed as foll ...
Emergency start-up
If the Fiat CODE system fails to deactivate engine immobilising system the warning
lights Yand U stay on and the engine cannot be started.
To start the engine the emergency start-up can be performe ...