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:
To reduce memorised speed
The speed memorised can be increased in two ways:
❒ disengaging the device and then memorising the new speed;
or
❒ keeping the ring (B) pressed at (–) until reaching the new speed whi ...
Display info
❒ Headlight aiming position display (only with dipped beams on) (A)
❒ Clock (B) (always displayed, also with key removed and front doors closed).
❒ Total (C) and partial ( ...
EVIC Displays
EVIC Display Manual
Transmission
1 — Temperature Indicator
6 — Message Display
2 — Fuel Level Gauge
7 — Coolant Temperature Gauge
3 — Clock
8 — Digital Speedometer
4 — Odometer
9 — Ice ...