Manual Operation

The air delivery mode or fan speed can be manually adjusted.

9(Off): Select this position on the fan knob to turn off the entire climate control system. Outside air still enters the vehicle. The direction can be changed by changing the mode position. The temperature can also be adjusted using either the up or down arrow temperature buttons.

9(Fan): Turn the knob with the fan symbol to manually adjust the fan speed.

H(Vent): This mode directs air to the instrument panel outlets.

)(Bi-Level):This mode divides the air between the instrument panel outlets and the floor outlets.

6(Floor): This mode directs most of the air to the floor outlets with some air directed to the side window outlets.

The right knob can also be used to select defog or defrost modes. Information on defogging and defrosting can be found later in this section.

:(Outside Air): Press the right side of this button to turn the outside air mode on. An indicator light comes on to show it is activated. Air from outside the vehicle will circulate throughout the vehicle. The outside air mode can be used with all modes, but it cannot be used with the recirculation mode. Pressing this button cancels the recirculation mode.

?(Recirculation): Press the left side of the button to turn the recirculation mode on. An indicator light above the button comes on to show it is activated. The air inside the vehicle recirculates through the climate control system and the vehicle, not from outside

the vehicle. This mode is helpful when trying to limit odors from entering the vehicle and for maximum air conditioning performance in hot weather. The recirculation indicator light blinks three times if you try to use recirculation in a mode in which it cannot function.

Pressing this button cancels the auto recirculation feature. Each time the vehicle is started, the system reverts to the auto recirculation function.

If recirculation is selected while in defrost, defog or floor mode, the light on the button flashes three times and then goes out to indicate that this is not allowed. This is to prevent window fogging.

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Chevrolet 2008 owner manual Manual Operation