Fiat Linea Owner's Handbook Manual page 59

INTERNAL AIR
RECIRCULATION ACTIVATION
Move the slider D to position v to
switch internal air recirculation on.
It is advisable to switch the internal air re-
circulation on whilst queuing or in tunnels
to prevent the introduction of polluted air.
However, it is better not to use the func-
tion for long periods, particularly if there
are many people on board, to prevent the
windows from misting inside.
58
IMPORTANT The internal air recircula-
tion system makes it possible to reach the
required heating or cooling conditions
faster depending on the mode selected.
Do not use the air recirculation function
on rainy/cold days as it would consider-
ably increase the possibility of the win-
dows misting.
SYSTEM MAINTENANCE
In winter, the climate control system must
be turned on at least once a month for
about 10 minutes. Before summer, have
the system checked at a Fiat Dealership.
The system uses R134a refrig-
erant fluid which does not pol-
lute the environment in the
event of accidental leakage.
Never use R12 fluid which is not com-
patible with the system components.