Move slider (B) to 
.
This function is particularly useful when the outside air is heavily polluted (in a traffic jam, tunnel, etc.). However, it is better not to use it for long periods, especially if there are several people in the car.
IMPORTANT The inside air recirculation system makes it possible to reach the required “heating” or “cooling” conditions faster. Do not use the air recirculation function on rainy/cold days as it would considerably increase the possibility of the windows misting inside.
See also:
Cooling System
WARNING!
• When working near the radiator cooling fan, disconnect the fan motor lead
or turn the ignition switch to the OFF position. The fan is temperature controlled
and can start at any time ...
Looking after the system
During the winter, the climate control system must be turned on at least once
a month for about ten minutes.
Have the system efficiency checked before the summer at a Fiat Dealership.
The system ...
24. Door Ajar
This light will turn on to indicate that one or more doors or the trunk may be
ajar. ...