1993 Cadillac DeVille Owner's Manual - Page 153

You can choose from 65 F (18 'C) to 85 F (29 'C). And, at each end, you may choose 60 F (16 'C), for maximum cooling,and 90 F (33 'C), for maximum heating. Then, you have these choices: Off Nothing is on, but air will flow rnrough your vehicle you are moving. if The system will attempt to maintain the chosen temperature, butmay never reach it,because the blower motor will not operate. Econ Use "Econ"in coldor cool weather, because it saves fuel by not allowing the A/C compressor to run.But it doesn't remove humidity from the air. If it's so warm outside thatyou need to cool the air,use the next choice. Auto In "Auto" its all automatic. If your car is sitting out on a hot day and you have it set on "Auto", the air will first flow out thefloor air ducts for a few seconds. That's normal. This is to prevent a blast of hot air hitting you. Fan Speeds mblower fan of the The speed is usually I I controlled automatically if you have the fan on "Auto Fan". However, if you want the blower fan to run only at high speed, push the "Hi" button until you see "Hi Fan" on the display. If you want the blower to run only at low speed, push the "Lo7' button until you see "Lo Fan" on thedisplay. If you want the system to be automatic, butyou like the fan speed little higher than the "Auto Fan" a speed, push the "LO"or "Hi" button until you see the "Hi Auto Fan" Fan 140