The pollen filter is located under the dashboard near the central dashboard unit on passenger side.
REPLACING THE FILTER
Loosen the screws (A) and remove the filtering element to be replaced.
See also:
Installation of electric / electronic devices
Electric/electronic devices installed after buying the car or in aftermarket
shall bear the and marking:
Fiat Auto S.p.A. authorizes the installation of transceivers provided that installation
...
“Temperature unit” (Temp. Unit)
To select temperature unit (°C or °F), proceed as follows:
...
Engine starting
The car is fitted with an electronic engine lock device. If the engine fails
to start, see paragraph “Fiat Code system” in section “Dashboard and controls”. ...