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:
Air cleaner
REPLACEMENT
Petrol versions
Loosen the screws on the side and on the air cleaner cover, remove the cover
A-fig. 17 and remove the filtering element to be replaced.
1.9 Multijet versions
Loosen ...
Seat Belt Pretensioners
The seat belts for both front seating positions are equipped with pretensioning
devices that are designed to remove slack from the seat belt in the event of a collision.
These devices may improve t ...
Set clock (Clock Adjust.)
During setting, the clock is displayed in 24h mode regardless of the set clock
mode (12h/24h).
To set the clock (hours - minutes) proceed as follows:
...