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:
High Beams
With the low beams activated, push the multifunction lever towards the instrument
panel to turn on the high beams. Pull the multifunction lever toward the steering
wheel to turn off the high bea ...
External lights
The left-hand stalk controls the external lights and the direction indicators.
The external lights can only be switched on when the ignition key is at MAR. ...
Main beams
The warning light turns on when the main beams are turned on.
POSSIBLE PRESENCE OF ICE ON THE ROAD
(versions with reconfigurable multifunction display)
This indication starts flashing when the ou ...