(red) (where provided)
Turning the ignition key to MAR the warning light turns on, but it should go off after few seconds.
The warning light stays on glowing steadily if there is a failure in the air bag system.
On certain versions the dedicated message is displayed.
If when turning the ignition key to MAR, the warning light
does not turn on or stays on when
traveling
there could be a failure in safety systems; in this event air bags or pretension
could not trigger in case of impact or, in a minor number of cases, they could trigger
accidentally. Contact Fiat Dealership immediately to have the system checked.
The failure of the warning light
(warning light off) is also indicated
by the flashing for more than the normal 4 seconds of the passenger’s front air
bag deactivated warning light 
See also:
Wind Stop
TheWind Stop installs in the backseat area of the vehicle.
The Wind Stop will not interfere with power top operation.
Therefore, it can remain installed when the top is up. ...
Vehicle protection system failure -Fiat code
(amber)
Turning the key to MAR the warning light shall flash only once and then go off.
If with the ignition key at MAR, the warning light stays on, this indicates a
possible failure (see “Fiat ...
Climatic comfort
Knob (D) directs the air inside the passenger compartment according to five levels:
air flow from central vents and side
outlets;
to warm the feet and keep the face cool
(“bilevel” function)
...