2003 GMC Envoy Owner's Manual - Page 150

Manual Operation To change the current setting, select one of the following: This button allows you to manually adjust the fan speed. Press the up arrow to increase fan speed and the down arrow to decrease fan speed. The display will change to show you the selected fan speed and the driver's side temperature setting for five seconds. (Mode): Press this button to manually change the direction of the airflow in your vehicle. Keep pressing the button until the desired mode appears on the display. The display will change to show you the selected air delivery mode and the driver's temperature setting for five seconds. 4 d +This mode directs most of the air to the (Floor): ; floor outlets. Some air also comes out of the defroster and side window outlets. The recirculation button cannot be selected in floor mode. (Recirculation): Press this button to turn recirculation mode on or off. When this button is pressed, an indicator light in the button will also come on to let you know that it is activated. Recirculation mode is used to recirculate the air inside of your vehicle. 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. Recirculation mode can be used with vent and bi-level modes, but it cannot be used with floor, defog or defrost modes. If the weather is cold and damp, the system may cause the windows to fog while using recirculation mode. If the windows do start to fog, select defog or defrost mode. Lfi@ 7(Fan): ua, This mode directs air to the instrument panel outlets. f.; (Vent): )#c A/C (Air Conditioning): Press this button to manually turn the air conditioning system on or off. When the system is on, the system will automatically begin to cool and dehumidify the air inside of your vehicle. If you select air conditioning off while in front defrost or defog mode, the air conditioning off symbol will flash to let you know this is not allowed. +p(Bi-Level): This mode directs approximately half of the air to the instrument panel outlets, then directs 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 outlets and warmer air to the floor outlets. 3-25