2005 Buick LaCrosse Owner's Manual - Page 140

Manual Operation During daylight hours, the instrument panel brightness control might need to be adjusted to the highest setting, in order to see the indicator lights for the various climate control settings. 9y (Fan): 9 (Off): Press this button to turn the climate control system off. y z (Temperature): Press these buttons to manually adjust the temperature inside the vehicle. Press the up arrow on the driver or passenger side to raise the temperature and press the down arrow to lower the temperature. The display will show the selected temperature. You may also have controls on your steering wheel that can be used to adjust the temperature inside your vehicle. See Steering Wheel Climate Controls on page 3-30 for additional information. Press this button to increase the fan speed. Pressing the arrows cancels the automatic operation and places the system in manual or semi-automatic 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 may need to be replaced. For more information see Passenger Compartment Air Filter on page 3-28 and Scheduled Maintenance on page 6-4. This mode directs most of the air to the floor, with some air directed to the side window outlets and a small amount to the windshield. 6 (Floor): )(Bi-Level): This setting directs airflow to the instrument panel and floor outlets. A small amount of air is also directed to the windshield and the side window outlets. Y (Vent): z 9 (Fan): Press this button to decrease the fan speed. Pressing the arrows cancels the automatic operation and places the system in manual or semi-automatic 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 may need to be replaced. For more information see Passenger Compartment Air Filter on page 3-28 and Scheduled Maintenance on page 6-4. This mode directs air through the instrument panel outlets. Press this button to turn recirculation mode on or off. This mode keeps outside air from coming into the vehicle. It can be used to prevent outside air and odors from entering your vehicle or to help cool the air inside the vehicle more quickly. h(Recirculation): 3-26