2005 Chevrolet Blazer Owner's Manual - Page 145

Climate Controls Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. ) (Bi-Level): This mode directs half of the air to the instrument panel outlets, then directs most of the remaining air to the floor outlets. A little air is also directed toward the windshield and the side window outlets. Cooler air is directed to the upper outlets and warmer air to the floor outlets. This mode directs most of the air to the floor outlets with a little air directed to the windshield and the side window outlets. Turn the left knob clockwise or counterclockwise to increase or decrease the fan speed. Turn the mode knob to OFF to turn off the fan. The mode knob can also be used to select defog or defrost mode. For more information, see "Defogging and Defrosting" later in this section. 6 (Floor): 9 (Fan): Operation Mode Knob: Turn the right knob clockwise or counterclockwise to direct the airflow inside of your vehicle. On hot days, open the windows to let hot inside air escape; then close them. This helps to reduce the time it takes for your vehicle to cool down. It also helps the system to operate more efficiently. A/C (Air Conditioning): Turn the knob to the A/C position to turn the air-conditioning system on or off. When the system is on, this setting cools and dehumidifies the air entering your vehicle and directs it through the floor outlets as well as the instrument panel outlets. H (Vent): This mode directs air to the instrument panel outlets, with a little air directed toward the floor outlets. 3-19