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:
Speed limit exceeded
The warning light on the dial turns on (on certain versions together with the
message on the display) when the car exceeds the speed limit set previously (see
“Reconfigurable multifunction dis ...
Air bag failure
(red) (where provided)
Turning the ignition key to MAR the warning light turns on, but it should go
off after few seconds.
The warning light stays on glowing steadily if there is a failure in th ...
Battery
The battery is of the “Limited maintenance” type: under normal conditions of
use the electrolyte does not need topping up with distilled water. ...