2003 Buick Regal Owner's Manual - Page 128

TEMP (Temperature): To manually adjust the temperature inside the vehicle, press the up arrow on the TEMP control to raise the temperature and press the down arrow to lower the temperature. The display will show your selection for a few seconds, and then the outside temperature will be displayed. When the DUAL light indicator is on, this means the TEMP control has set the temperature for the driver. When the DUAL light indicator light is not on, this means the TEMP control has set the temperature for the entire cabin. To access the various modes available, continue to press the AIR FLOW up or down arrows until the desired mode, (listed below), appears in the display. WINDSHIELWFLOOR: This setting directs some of the air to the floor outlets and some to the defroster and side window outlets. The air-conditioning compressor will run automatically in this setting unless the outside temperature is below 40°F (4°C). MlBIFLOOR: This mode directs airflow through both the floor and the instrument panel outlets. A small amount of air is directed to the windshield and the side window outlets. MID (Instrument Panel): This mode directs air through the instrument panel outlets. FAN: Press the up arrow on the FAN control to increase fan speed and the down arrow to decrease fan speed. Pressing the arrows cancels the automatic operation and places the system in manual mode. Press the AUTO button to return to automatic operation. If the airflow seems low when the fan is at the highest setting, the passenger compartment air filter, if equipped, may need to be replaced. For more information see Passenger CompartmentAir Filter on page 3-26 and Pat? A: Scheduled Maintenance Sewices on page 6-4. AIR FLOW: This control has several setting to control the direction of airflow when the system is not in AUTO. @ FLOOR: This setting sends most of the air through the outlets near the floor. The rest comes out of the defroster and side window outlets. VENT: Press this button to turn the air-conditioning compressor on or off. The indicator light on the VENT mode is lit when the compressor is turned off. You may have to adjust the interior brightness control to the highest setting during the day in order to see the indicator lamp. VENT does not operate in the FRONT defrost mode. 3-23