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:
Glow plugs
Turning the ignition key to MAR, the warning light on the dial comes on and goes
off when glow plugs reach the preset temperature. Start the engine immediately after
warning light switching off. ...
How to use the gears
Press the clutch fully before shifting the gear stick into one of the positions
shown in the diagram in fig. 2 (the diagram is also on the gear lever knob).
IMPORTANT
Only engage the reverse gear ...
At the filling station
Make sure that the left-hand sliding side door is completely closed before
refueling. You could damage the door and the sliding lock system which comes into
play when the fuel flap is open.
Y ...