Buick 2005 LaCrosse User Manual download pdf (Page 141)

Recirculation is not available while in the defrost or

ﬂoor/defog modes. Using recirculation for long periods of

time may cause the air inside your vehicle to become too

dry. To prevent this from happening, after the air in your

vehicle has cooled, turn the recirculation mode off.

# (Air Conditioning): Press this button to turn the

air conditioning compressor on and off. The indicator

light on the button will come on when the air

conditioning is on.

( (Heated Seats): Press this button to turn the driver

or passenger heated seats on and off. See Heated

Seats on page 1-5 for additional information.

Defogging and Defrosting

Fog on the inside of windows is a result of high humidity

(moisture) condensing on the cool window glass. This

can be minimized if the climate control system is

used properly. There are two modes to clear fog or frost

from your windshield. Use the ﬂoor/defog mode to

clear the windows of fog or moisture and warm

the passengers. Use defrost to remove fog or frost from

the windshield more quickly.

- (Floor/Defog): Press this button to direct the air

between the windshield, ﬂoor outlets and side windows.

When you select this mode, the system turns

recirculation off and runs the air conditioning compressor

unless the outside temperature is near or below

freezing. Pressing the recirculation button will have no

effect other than turning on the telltale light while in

ﬂoor/defog mode.

1 (Defrost): Press this button to direct most of the

air to the windshield, with some air directed to the

side windows. In this mode, the system will automatically

turn off the recirculation and run the air conditioning

compressor, unless the outside temperature is near or

below freezing. Pressing the recirculation button will

have no effect other than turning on the telltale

light while in defrost mode.

Do not drive the vehicle until all windows are clear.

Sensors

The solar sensor on the vehicle monitors the solar heat

and the air inside of the vehicle. This information is

used to maintain the selected temperature by initiating

needed adjustments to the temperature, the fan

speed, and the air delivery system. The system may

also supply cooler air to the side of the vehicle facing the

sun. The recirculation mode will also be activated, as

necessary. Do not cover the solar sensor located in the

center of the instrument panel, near the windshield,

or the system will not work properly.

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Buick 2005 LaCrosse User Manual Page 141

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