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Old 01-11-2013, 12:58 PM   #5
suss6052
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Quote:
Originally Posted by Just Tom View Post
I haven't experienced this issue. However recently I've noticed that after pressing the recirc button, shortly thereafter the system turns the recirc off. I'll notice that it's turned off usually when sitting at a stoplight and I begin to smell the exhaust of a the car in front of me. Is this normal? Shouldn't the recirc stay on once it's pressed or does my car have gremlins?
It depends on where you have the rest of the climate control system set to.

On defrost it tends to shut off the recirculation to try and prevent the windshield from fogging up on the inside.

For manual climate control systems:

Quote:
(Recirculated air): Press to activate/deactivate air recirculation
in the vehicle. Recirculated air may reduce the amount of time needed to
cool down the interior of the vehicle and may also help reduce undesired
odors from reaching the interior of the vehicle. Recirculated air engages
automatically when MAX A/C is selected or can be engaged manually in
any airflow mode except (defrost). Recirculated air may turn off
automatically in all airflow modes except (Panel) and (Panel
and Floor) and when in MAX A/C.
From the 5th edition of the 2012 Ford Focus owners guide, page 113

For the automatic climate control system:

Quote:
(Recirculated air): Press to activate/deactivate air recirculation in
cabin. Recirculated air may reduce the amount of time to cool down the
interior of the vehicle and may also help reduce undesired odors from
reaching the interior of the vehicle. Recirculated air engages automatically
when MAX A/C is selected or can be engaged manually in any airflow mode
except (defrost). Recirculated air may turn off automatically in all
airflow modes except MAX A/C to reduce fog potential.
Page 117 5th printing of the 2012 Focus owners guide.


If the car thinks it will cause fog it will turn off the re-circulation in all modes except max a/c.
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