2009 Buick Enclave Owner's Manual - Page 140

3-22 Instrument Panel PASS (Passenger): Press to set the passenger temperature to match the driver temperature setting. The PASS indicator will turn off. When the passenger temperature setting is different than the driver setting, the PASS indicator comes on. Temperature Control The driver and passenger side temperature buttons are used to adjust the temperature of the air coming through the system. The temperature can be adjusted even if the system is turned off since outside air still enters the vehicle, unless the recirculation mode is selected. See "Recirculation" later in this section. Driver Side Temperature Control: Press the + or − buttons to increase or decrease the driver side temperature. The driver side temperature display will show the temperature setting. Passenger Side Temperature Control: Press the + or − buttons to increase or decrease the passenger side temperature. The passenger side display will show the temperature setting. H / G (Air Delivery Mode Control): Press to change the direction of the airflow in the vehicle. Repeatedly press H or G until the desired mode appears on the display. Pressing a mode button while the system is off changes the air delivery mode without turning the system on. Press a mode button while in automatic control to place the system into manual control. The air delivery mode setting still displays, but the word AUTO no longer displays, and the AUTO button indicator light turns off. Manual Operation The air delivery mode or fan speed can be manually adjusted. D / C (Fan Control): Press to increase or decrease the fan speed. Pressing D or C while in automatic control places the fan speed under manual control. The air delivery mode remains in automatic control. The fan setting still displays, but the word AUTO no longer displays, and the AUTO button indicator light turns off. H (Vent): Air is directed to the instrument panel outlets. ) (Bi-Level): Air is divided between the instrument panel and floor outlets. Some air is directed towards the windshield and side window outlets. Cooler air is directed to the upper outlets and warmer air to the floor outlets.