2013 Buick Regal Owner Manual - Page 193

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 indicator light is on, the system is in full automatic operation. If the air delivery mode or fan setting is manually adjusted, the auto indicator turns off and displays will show the selected settings. To place the system in automatic mode: 1. Press AUTO. 2. Set the temperature. Allow the system time to stabilize. Then adjust the temperature as needed for best comfort. To improve fuel efficiency and to cool the vehicle faster, recirculation may be automatically selected in warm weather. The recirculation light will not come on. Press h to select recirculation; press it again to select outside air. English units can be changed to metric units through the Driver Information Center (DIC). See Driver Information Center (DIC) on page 5‑24. Manual Operation Driver and Passenger Temperature Control: The temperature can be adjusted separately for the driver and passenger. Turn the knob clockwise or counterclockwise to increase or decrease the driver or passenger temperature setting. Fan Control: Press the left fan button to decrease the fan speed. Press the right fan button to increase the fan speed. The selected fan speed is indicated by the number of segments shown in the display. Pressing the left fan button longer turns the fan off. Press AUTO to return to automatic operation. 8-3 Air Delivery Modes: Press [, Y, or 8 to change the direction of the airflow. An indicator light comes on in the selected mode button. Changing the mode cancels the automatic operation and the system goes into manual mode. Press AUTO to return to automatic operation. [ (Floor): floor outlets. Air is directed to the Y (Vent): Air is directed to the instrument panel outlets. 8 (Upper): Air is directed to the windshield outlets. 0 (Defrost): Press to clear the windshield of fog or frost more quickly. Air is directed to the windshield. For best results, clear all snow and ice from the windshield before defrosting.