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:
General instructions for using the seat belts
The driver must comply with (and have the vehicle occupants follow) all the local
legal regulations concerning the use of seat belts.
Always fasten the seat belts before starting.
Seat belts are ...
EVIC Control Buttons
Press the MENU ESC button briefly to access the menu and/or go to next screen
or to confirm the required menu option. Press and hold the MENU ESC button (approximately
one second) to return to the ...
Spare Tire Removal
The spare tire is stowed to the underbody below the cargo area.
1. Remove the plug located in the rear cargo area.
Winch Access Plug
2. Fit the wrench tool over the drive nut. Use the wrench to ...