1993 Buick Park Avenue Owner's Manual - Page 137

Econ You can use ECON when you don't need to cool the outside air. The system will work like the AUTO mode without cooling. The air flow will come from the instrument panel outlets. ECON does not have the blower delay feature as the AUTO modesetting. Defog When theoutside temperature is mild, use DEFOG to keep fog off the windshield. la c I Htr To warm the air, press and adjust the temperature and fan speed for your comfort. Most of the air will come from the floor outlets. ' Air entering the vehicle will be evenly split between the floor outlets and the outlets near the windshield. The blower speed will be controlled automatically, but you can choose another fan speed by pushing the HI or LO buttons. L E HTR E 135