2009 Hummer H3T Owner's Manual - Page 137

Instrument Panel 3-19 Climate Controls Climate Control System The heating, cooling, and ventilation of the vehicle can be controlled with this system. Temperature Control: Turn clockwise or counterclockwise to increase or decrease the temperature of the air in the vehicle. 9 (Fan Control): Turn clockwise or counterclockwise to increase or decrease the fan speed. Air Delivery Mode Control: Turn clockwise or counterclockwise to change the direction of the airflow in the vehicle. The airflow can be set between modes. To change the current mode, select one of the following: H A. B. C. D. E. F. Temperature Control Fan Control Air Delivery Mode Control Air Conditioning Recirculation Rear Window Defogger 9 (Off): Turn the fan control to this position to turn the fan off. Air still enters the vehicle and increases with vehicle speed depending on the mode and temperature settings. Turn on the recirculation mode to stop this airflow. (Vent): Air is directed to the instrument panel outlets. \ (Bi-Level): Air is directed to the instrument panel outlets, and the remaining air to the floor outlets and the defroster and side window outlets. Cooler air is directed to the upper outlets and warmer air to the floor outlets.