Mode Selector Buttons: RECIRC
WARNING: This page is about a different car, the 1998 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
RECIRC button is used to close the recirculation door and restrict amount of ambient air entering vehicle. When RECIRC button is pressed, RECIRC button LED will come on, and VENT operation will be canceled. When RECIRC mode is active, any manual mode change will cancel RECIRC function. RECIRC function should operate for 10 minutes and then automatically canceled.