2014 Cadillac ATS Owner Manual - Page 210

8-8 Climate Controls on, see "Climate and Air Quality" under Vehicle Personalization on page 5-43. @ (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 prevent outside air and odors from entering. 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 operation. To turn Auto Defog off or { 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. Rear Window Defogger = REAR (Rear Window Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off automatically after about 10 minutes. If turned on again it runs for about five minutes before turning off. 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. 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 3-8. Remote Start Climate Control Operation: If equipped with the remote vehicle start feature, the climate control system may run when the vehicle is started remotely. The system uses the driver's