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:
How to use the gears
Press the clutch fully before shifting the gear stick into one of the positions
shown in the diagram in fig. 2 (the diagram is also on the gear lever knob).
IMPORTANT
Only engage the reverse gear ...
Rear window and door mirror demisting/defrosting
Press to turn this function on.
Activation is indicated by the turning on of the warning light
on the instrument panel.
This function is timed and switches off automatically after 30 minutes. To ...
GROUP 0 and 0+
Babies up to 13 kg must be carried facing backwards on a cradle seat, which,
supporting the head, does not induce stress on the neck in the event of sharp deceleration.
The cradle is restrained b ...