2015 Cadillac SRX Owner Manual - Page 187

8-4 Climate Controls quality air outside the vehicle. The air quality sensor will not maintain recirculation for an extended period and may not activate during cold weather. To adjust the sensitivity of the air quality sensor, see "Climate and Air Quality" under Vehicle Personalization on page 5-38. The air quality sensor system does not protect against carbon monoxide (CO), which cannot be seen or smelled. See Engine Exhaust on page 9-21. 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 on, see "Climate and Air Quality" under Vehicle Personalization on page 5-38. 0 (Defrost): Clears the windshield of fog or frost more quickly. Air is directed to the windshield. Press the 0 button to turn on or off. Changing the air delivery mode also turns the defrost off. AC Mode (Air Conditioning): Press the AC Mode touch screen control to turn the automatic air conditioning on or off. If the fan is turned off or the outside temperature falls below freezing, the air conditioner will not run. Press AUTO to return to automatic operation and the air conditioner runs as needed. Automatic Air Recirculation: When the AUTO indicator light is on, the air inside the vehicle may automatically recirculate as needed to help quickly cool the inside of the vehicle. If equipped, an air quality sensor may also activate recirculation when it detects increasing levels of poor ^ (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. Rear Window Defogger = (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.