See also:

Looking after the system
During the winter, the climate control system must be turned on at least once a month for about ten minutes. Before summer, have the system checked at a Fiat Dealership. ...

15. Tire Pressure Monitoring Telltale Light
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire in ...

Deactivation
Turn the ignition key to STOP. At the following starting operation (key at MAR), the sensor will not be reactivated even is the stalk is on (B). In this event, to activate the rain sensor, you have ...