Chevrolet 2010 Cobalt, Owner'S Manual

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The air conditioning compressor also comes on.
Recirculation is not available for floor, defog and
defrost modes. If recirculation is selected in any of
these modes, the recirculate indicator light flashes
five times and outside air will be delivered. Operation
in this mode during periods of high humidity and cool
outside temperatures may result in increased window
fogging. If window fogging is experienced, select the
defrost mode.
Outside Air: This mode allows outside air to circulate
through the vehicle. This mode is automatically active
if recirculate is not selected. There is no button for
outside air.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
The rear window defogger only works when the ignition
is in ON/RUN.
< (Rear): Press to turn the rear window defogger on
or off. Be sure to clear as much snow from the rear
window as possible. An indicator light comes on to
show that the rear window defogger is on.
The rear window defogger turns off about 15 minutes
after the button is pressed. If turned on again, the
defogger only runs for about seven minutes before
turning off. If the vehicle is moving faster than 50 mph
(80 kph), the rear defogger will stay on. The defogger
can also be turned off by turning off the engine.
Notice: Do not use anything sharp on the inside of
the rear window. If you do, you could cut or damage
the warming grid, and the repairs would not be
covered by the vehicle warranty. Do not attach a
temporary vehicle license, tape, a decal or anything
similar to the defogger grid.
Outlet Adjustment
Use the thumbwheels located next to and below the air
outlets to change the direction of the airflow and to
open and close the outlets.
Operation Tips
. Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may block
the flow of air into the vehicle.
. Use of non-GM approved hood deflectors may
adversely affect the performance of the system.
. Keep the path under the front seats clear of
objects to help circulate the air inside of the
vehicle more effectively.
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