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 Disengage The Automatic Locking Mode
Unbuckle the combination lap/shoulder belt and allow it to retract completely
to disengage the Automatic Locking Mode and activate the vehicle sensitive (emergency)
locking mode.
WARNING!
• The ...
Children Too Large For Booster Seats
Children who are large enough to wear the shoulder belt comfortably, and whose
legs are long enough to bend over the front of the seat when their back is against
the seatback, should use the lap/s ...
Manual Transmission – If Equipped
Lubricant Selection
Use only the manufacturers recommended transmission fluid. Refer to “Fluids,
Lubricants, and Genuine Parts” in “Maintaining Your Vehicle” for further information.
Fluid Level C ...