2015 Cadillac ATS Owner Manual - Page 219

8-8 Climate Controls operation. To turn Auto Defog off or on, see "Climate and Air Quality" under Vehicle Personalization on page 5-44. turns on automatically when the interior temperature is cold and the outside temperature is about 4°C (40°F) and below. The auto rear defogger turns off automatically. @ (Recirculation): Press to alternate between recirculating air inside the vehicle or pulling in outside air. The indicator light on the button is lit when recirculation mode is active. This helps to quickly cool the air inside the vehicle or reduce the outside air and odors that may enter. Pressing this button cancels automatic recirculation. Press AUTO to return to automatic operation; recirculation runs automatically as needed. Manual recirculation mode is not available when in Defrost or Defog modes. Auto Defog: The climate control system may have a sensor to automatically detect high humidity inside the vehicle. When high humidity is detected, the climate control system may adjust to outside air supply and turn on the air conditioner. If the climate control system does not detect possible window fogging, it returns to normal Rear Window Defogger = REAR (Rear Window Defogger): Press to turn the rear window defogger on or off. An indicator light on the button comes on to show that the rear window defogger is on. The upper gridlines on the rear window are antenna lines and are not intended to heat when the defogger is activated. The heated outside mirrors turn on when the rear window defogger button is on. They help to clear fog or frost from the surface of the mirrors. The rear window defogger can be set to automatic operation. See "Climate and Air Quality" under Vehicle Personalization on page 5-44. When auto rear defog is selected, the rear window defogger { Caution Do not try to clear frost or other material from the inside of the front windshield and rear window with a razor blade or anything else that is sharp. This may damage the rear window defogger grid and affect the radio's ability to pick up stations clearly. The repairs would not be covered by the vehicle warranty. J or z (Driver and Passenger Heated Seats, If Equipped): Press J or z to heat the driver or passenger seat cushion and seatback. See Heated Front Seats on page 3-9.