2010 Buick LaCrosse Owner's Manual - Page 215

Climate Controls Automatic Operation The system automatically controls the fan speed, air delivery, air conditioning and recirculation in order to heat or cool the vehicle to the desired temperature. When the AUTO indicator light is on, the system is in full automatic operation. If the air delivery mode, fan speed, recirculation or air conditioning setting is adjusted, the AUTO indicator turns off and the selected settings will appear on the display. To place the system in automatic mode do the following: 1. Press AUTO. 2. Set the temperature. Allow the system time to stabilize. Adjust the temperature as needed for best comfort. 7-5 Q / R (Driver and Passenger Temperature Control): The temperature can be adjusted separately for the driver and the passenger. Press to increase or decrease the temperature. ZONE: Press to link all climate zone settings to the driver's settings. The ZONE indicator light will turn off. When the passenger settings are adjusted, the ZONE indicator light is on. Manual Operation e * (Air Delivery Mode Control): Press to change the direction of the airflow. The current mode appears in the display screen. Pressing either button cancels automatic air delivery control and the direction of the airflow is controlled manually. Press AUTO to return to automatic operation. To change the current mode, select one of the following: Y (Vent): Air is directed to the instrument panel outlets. \ (Bi-Level): Air is divided between the instrument panel outlets and the floor outlets. O (Power): Press to turn the fan off or on. D C (Fan Control): Press to increase or decrease the fan speed. The fan speed setting appears on the main display. Pressing either button cancels automatic fan control and the fan is controlled manually. Press AUTO to return to automatic operation. C (Tri‐Level): Air is divided between the windshield, instrument panel, and floor outlets. [ (Floor): floor outlets. Air is directed to the - (Defog): Clears the windows of fog or moisture. Air is directed to the windshield and floor outlets.