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:
Materials Added To Fuel
All gasoline sold in the United States is required to contain effective detergent
additives. Use of additional detergents or other additives is not needed under normal
conditions and would result ...
Changing the battery
If required, replace the battery with a genuine spare part having the same specifications.
If a battery with different specifications is fitted, the service intervals given
in the “Service schedule ...
Rear seats (where provided)
According to versions, two or three head restraints can be provided. To remove
the head restraints, first remove the rear parcel shelf (see paragraph “Extending
the boot”), press button (A) set ...