Function & Override Buttons: Vent
WARNING: This page is about a different car, the 1999 Lincoln Navigator and 1999 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Pressing VENT button will display VENT and the selected temperature in the display window. The system will operate with air directed to the panel vents and will use outside air. Compressor clutch will be OFF.