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:
Instrument panel, display and button lighting adjustment (light rheostat)
With this function it is possible to adjust the lighting (dimming/brightening)
of the instrument cluster, and two-zone climate control display (where required).
To adjust proceed as follows:
&nb ...
Instrument Panel Bezels
CAUTION!
When installing hanging air fresheners in your vehicle, read the installation
instructions carefully.
Some air fresheners will damage the finish of painted or decorated parts if allowed ...
Symbols
Special colored labels have been attached near or actually on some of the components
of your Fiat Doblò. These labels bear symbols that remind you of the precautions
to be taken as regards ...