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:
Headlight washers
They are activated automatically when the windscreen washer is operated with
dipped beam headlights or main beam headlights on.
IMPORTANT Regularly check that the spray jets are intact and clean. ...
Checking the charge
The battery charge may be checked through the indicator (where fitted) set on
the battery cover and acting according to the colour the indicator shows. If the
battery is not fitted with electrol ...
Failure Indications
A malfunction of the Rear Park Assist sensors or system is indicated, during
REVERSE gear engagement, by the instrument panel warning icon.
The warning icon is illuminated and a message is displa ...