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:
Cellular phone set-up
The system set-up consists of:
– a dual-purpose aerial (sound system + cellular phone), on the vehicle roof;
– a dual-purpose aerial connection wires and ten-pin connector wiring fig. 146.
– a do ...
Set-up menu
The number of items in the menu depends on the car settings.
When travelling, only the “Speed limit” indication is enabled.
The “Set-up Menu” enables to perform the following adjustments and/or sett ...
Speedometer
The speedometer A-fig. 31 - 32 shows the vehicle speed.
...