2006 GMC Envoy Owner's Manual - Page 165

To change the current mode, select one of the following: H (Vent): This mode directs air to the instrument panel outlets. ) (Bi-Level): This mode directs about half of the air to the instrument panel outlets; then directs most of the remaining air to the floor outlets. A little air is directed toward the windshield and the side window outlets. Cooler air is directed to the upper vents and warmer air to the floor outlets. Driver's Side Temperature Knob: The lever on the left side of the climate control panel is used to raise or lower the temperature on the driver's side of the vehicle. Slide the lever up or down to adjust the temperature. Passenger's Side Temperature Knob: The lever on the right side of the climate control panel is used to raise or lower the temperature on the passenger's side of the vehicle. Slide the lever up or down to adjust the temperature. This lever also adjusts the temperature to the rear seat outlets. When the temperature outside is 0°F (-18°C) or lower, use the engine coolant heater, if equipped, to provide warmer air, faster to your vehicle. This mode directs most of the air to the floor outlets with a little air directed to the windshield and the side window outlets. The recirculation button cannot be selected while in floor mode. 6 (Floor): # (Air Conditioning): @ (Recirculation): Recirculation mode is used to recirculate the air inside of your vehicle. When this button is pressed, an indicator light in the button will come on to let you know that it is active. Use this mode to help prevent outside odors and/or dust from entering your vehicle or to help cool the air inside of your vehicle more quickly. The air conditioning compressor will also come on when this mode is activated. While in recirculation mode, the windows may fog when the weather is cold and damp. To clear the fog, select either the defog or defrost mode and increase fan speed. Defog and defrost modes are described later in this section. Press this button to turn the air-conditioning system on or off. When the button is pressed, an indicator light will come on and the system will begin to cool and dehumidify the air inside of your vehicle. You may notice a slight change in engine performance when the air conditioning compressor shuts off and turns on again. This is normal. 3-21