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Recirculation is not available in the defrost mode and
will shut off when defog mode is selected. Both of these
features are designed to limit fogging in your vehicle.
If recirculation is selected during defog mode, it will
automatically turn off after 10 minutes to limit problems
with fogging.
In some conditions, using recirculation for long periods
of time may cause the air inside your vehicle to
become too dry or stuffy. To prevent this from
happening, after the air in your vehicle has cooled,
select AUTO to return to automatic climate control
operation or push the recirculation button again to
select outside air.
Pressing this button a second time selects outside air.
: (Outside Air): This mode forces the system
to pull air from outside the vehicle. It can be used to
bring fresh air into the vehicle.
Air Quality Sensor: Your vehicle may be equipped
with an optional air quality sensor to help limit the climate
control system from pulling in some harmful
exhaust fumes from older, poorly running or
diesel-equipped vehicles that are driving near you. This
sensor, when active, will monitor the air quality in front of
your vehicle and switch to air recirculation when poor
quality air is detected outside your vehicle. You can
activate the air quality sensor on your vehicle (if
equipped) by pressing the AUTO button on your climate
control. The word AUTO will be shown in the center of the
climate control display under the outline shape of a
vehicle. When the air quality sensor senses poor quality
air, the recirculation graphic will be shown as long as the
sensor senses poor quality air.
Under some conditions, the air quality sensor system will
not operate. In cold weather, the system may not be
active (even if the AUTO indication is displayed) because
of concerns of fogging your windows, which may occur by
activating recirculation mode. Also, the air quality sensor
system will not remain in recirculation mode for extended
periods of time that could cause stuffy or very dry
conditions in the vehicle. Following a poorly running
vehicle for an extended period of time may not keep
recirculation active indefinitely.
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