The warning light on the dial comes on (on certain versions together with the message on the display) when dieel fuel filter sensor failure is detected. Contact Fiat Dealership as soon as possible to have the fault removed.
See also:
Fuel reserve
(amber)
Turning the ignition key to MAR the warning light turns on, but it should go
off after few seconds.
The warning light turns on when about 5-7 liters fuel are left in the tank.
IMPORTANT ...
Fiat Doblo Owner's Manual
h1 {color: red;}
h2 {color: green;}
h3 {color: blue;}
h4 {color: #FF00FF;}
...
Key without remote control
Key (A) (or (C) in alternative), delivered in two copies when the car is not
fitted with remote control, controls the following:
❒ the ignition switch;
❒ the door and boot locks;
...