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With 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 fan icon, mode arrows, set temperature, and AUTO will be displayed. Set temperature to 60°F (15°C). Set temperature will be indicated, blower motor will operate at high speed, recirculation LED will be on, and cold air will flow from instrument panel outlets.
  3. Press fan button down twice. Blower motor will operate at low speed.
  4. Press AUTO button. Blower motor will run at high speed.
  5. Press MODE button up once. Air will flow from heater (floor) and windshield outlets.
  6. Press MODE button down once. Air will flow from instrument panel outlets.
  7. Press MODE button down once. Air will flow from instrument panel and heater outlets.
  8. Press MODE button down once. Air will flow from heater outlets.
  9. Press recirculation button (located below A/C button). Recirculation LED will be illuminated and blower motor noise will increase slightly.
  10. Press defrost button (located to left of fan button). Air will flow from windshield outlets and blower will operate at high speed.
  11. Set temperature to 90°F (32°C). Hot air will flow from windshield outlets.
  12. Set temperature to 75°F (24°C) and press AUTO button. AUTO will be displayed.
  13. Press PASS TEMP button up 4 times. Air from passenger side of instrument panel outlets should be warmer than driver side outlets. Display should show 3 1/2 Red bar segments on passenger side for blower motor speed.
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