Turning the ignition key to MAR the warning light on the dial turns on, but it should go off after few seconds. The warning light turns on when the handbrake is on.
IMPORTANT If the warning light 
turns
on when travelling, check that the handbrake is not engaged.
With handbrake engaged, if 4 km/h speed is exceeded the buzzer will sound (only for versions with reconfigurable multifunction display).
WARNING
If the warning light 
turns on when
travelling (on certain versions together with the message on the display) stop the
car immediately and contact Fiat Dealership.
See also:
Key-In-Ignition Reminder
Opening the driver’s door when the key is in the ignition and the ignition switch
position is OFF/LOCK, sounds a signal to remove the key. ...
Sun Visors
The driver and passenger sun visors are located on the headliner, near the front
windshield. The sun visor can be rotated downward or up against the door glass.
Both sun visors are equipped with c ...
Rear foglights
The warning light on the dial turns on when the rear fog lights are turned on. ...