2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 211

2009 Chevrolet Silverado 2500 HD Extended Cab Manual

Page 211 highlights

- (Defog): This mode clears the windows of fog or moisture. Air is directed to the windshield, floor outlets, and side window vents. This mode removes fog or frost from the windshield more quickly. Air is directed to the windshield and the side window vents, with some air directed to the floor vents. The system automatically forces outside air into the vehicle. The recirculation mode cannot be selected in the defog or defrost mode. When either mode is selected, the system runs the air conditioning compressor, unless the outside temperature is close to freezing. Do not drive the vehicle until all the windows are clear. This mode recirculates and helps to quickly cool the air inside the vehicle. It can be used to help prevent outside air and odors from entering the vehicle. The recirculation mode cannot be used with floor, defog or defrost modes. If recirculation is selected with one of these modes, the indicator light flashes three times and then turns off. While in recirculation mode the windows may fog when the weather is cold and damp. To clear the fog, select either the defog or defrost mode and increase the fan speed. The recirculation mode can be turned off by pressing the outside air button, or by turning off the ignition. 0 (Defrost): # (Air Conditioning): : (Outside Air): Press to turn the outside air mode on. An indicator light comes on to show that outside air is on. In this mode outside air circulates throughout the vehicle. The outside air mode can be used with all modes, but it cannot be used with the recirculation mode. ? (Recirculation): Press to turn the recirculation mode on. An indicator light comes on to show that recirculation is on. Press to turn the air conditioning system on or off. An indicator light comes on to show that the air conditioning is on. The air conditioning can be selected in any mode as long as the fan switch is on. The air conditioning system removes moisture from the air, so a small amount of water might drip under the vehicle while idling or after turning off the engine. This is normal. 3-25

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-
(Defog):
This mode clears the windows of fog or
moisture. Air is directed to the windshield, floor outlets,
and side window vents.
0
(Defrost):
This mode removes fog or frost from
the windshield more quickly. Air is directed to the
windshield and the side window vents, with some air
directed to the floor vents. The system automatically
forces outside air into the vehicle.
The recirculation mode cannot be selected in the defog
or defrost mode. When either mode is selected, the
system runs the air conditioning compressor, unless the
outside temperature is close to freezing.
Do not drive the vehicle until all the windows are clear.
:
(Outside Air):
Press to turn the outside air
mode on. An indicator light comes on to show that
outside air is on. In this mode outside air circulates
throughout the vehicle. The outside air mode can
be used with all modes, but it cannot be used with the
recirculation mode.
?
(Recirculation):
Press to turn the recirculation
mode on. An indicator light comes on to show that
recirculation is on.
This mode recirculates and helps to quickly cool the
air inside the vehicle. It can be used to help prevent
outside air and odors from entering the vehicle.
The recirculation mode cannot be used with floor, defog
or defrost modes. If recirculation is selected with one
of these modes, the indicator light flashes three times
and then turns off. While in recirculation mode the
windows may fog when the weather is cold and damp.
To clear the fog, select either the defog or defrost
mode and increase the fan speed.
The recirculation mode can be turned off by pressing
the outside air button, or by turning off the ignition.
#
(Air Conditioning):
Press to turn the air conditioning
system on or off. An indicator light comes on to show
that the air conditioning is on. The air conditioning
can be selected in any mode as long as the fan switch
is on.
The air conditioning system removes moisture from
the air, so a small amount of water might drip under
the vehicle while idling or after turning off the engine.
This is normal.
3-25