BI-LEV Mode
WARNING: This page is about a different car, the 1996 Oldsmobile Cutlass Supreme and 1996 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
In this mode, controlled air flows through heater and A/C outlets. System is automatically controlled, and adjusts to temperature selected range. System controls fan blower speed and air inlet by interpreting various input signals.