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:
Cheap running that respects the environment
Environmental protection has been one of the guiding principles in the production
of the Fiat Doblò. It is no accident that its pollution control equipment is much
more effective than that ...
Radio transmitters and cellular telephones
Radio transceiver equipment (e.g.: etacs mobile phones, HAM radio systems and
the like) shall not be used inside the vehicle unless a separate aerial is mounted
on the roof.
IMPORTANT
The use of ...
(D) Drive Vehicle
Immediately after injecting sealant and inflating the tire, drive the vehicle
5 miles (8 km) or 10 minutes to ensure distribution of the TIREFIT Sealant within
the tire. Do not exceed 55 mph (88 k ...