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Without Dual Zone Climate Controls

WARNING: This page is about a different car, the 1999 Cadillac Eldorado and 1999 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and bring to operating temperature. Press OFF button. See Figure. Blower will stop running, display will show set temperature, and OFF indicator will be illuminated on display. Outside temperature will be displayed after short time.
  2. Press AUTO button. System will turn on. Display will show AUTO fan and AUTO mode. Set temperature to 60°F (15°C). Set temperature will be indicated, blower motor will operate at high speed, and cold air will flow from instrument panel outlets.
  3. Press ECON button. RECIRC LED will turn off, and ECON will be displayed.
  4. Press RECIRC button. RECIRC LED will turn on and blower motor noise will increase slightly.
  5. Press AUTO button. AUTO will be displayed.
  6. Set temperature to 90°F (32°C). RECIRC LED will turn off, and warm air will flow from heater (floor) outlets.
  7. Press DEFOG button (if equipped). RECIRC LED will be on and blower noise will increase slightly.
  8. Press RECIRC button. RECIRC LED will turn on and blower motor noise will increase slightly.
  9. Press defrost button. Air will flow from windshield outlets and RECIRC LED will be off.
  10. Press fan button down twice. Blower will operate at low speed and LOW will be displayed.
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