1993 Buick Park Avenue Owner's Manual - Page 134

CooVWarm r-- Off i F c \ E Til To choose the temperature you want maintained inside the car, push one of these. You can choose from 60 O F (16 "C), for maximum cooling, and 90" F (33 "C), for maximum heating. It is not necessary to choose the extreme temperature to get the system to heat or cool atthe maximum. The system does it automatically. When the system is off, the ventilation system will allow air to flow through your Buick when the vehicle is moving. The system will try to keep the air at the chosen temperature, unless it is very hot or very cold. The outside temperature will show in the display area when the system is OFF.