Section 9 (HVAC System - Automatic): Description
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.
The electronic climate control system automatically maintains selected in-car temperatures between 65°F (18°C) and 85°F (30°C). The A/C-heater control unit has a digital display for temperature selection. See Figure. Individual vacuum operated mode valve actuators position A/C-heater mode doors to maintain set temperature for driver and passenger.