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:
Tow hitch installation
The towing device should be fastened to the body by specialized personnel according
to any additional and/or integrative information supplied by the Manufacturer of
the device.
The tow hitch must ...
Climatic comfort
Air distribution
Knob D-fig. 72 directs the air inside the passenger compartment according to
five levels:
conveys the air to the central and
side vents directly to the body (face/chest);
conve ...