2015 Cadillac XTS Owner Manual - Page 194

Climate Controls 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 5-47. when the interior temperature is cold and the outside temperature is about 4°C (40°F) and below. The upper region of gridlines on the rear window are antenna lines and are not intended to heat when the defogger is activated. The heated outside rearview mirrors turn on when the rear window defogger button is on and help to clear fog or frost from the surface of the mirrors. 8-5 Driver and Passenger Heated and Ventilated Seats (If Equipped): Press J or z to heat the driver or passenger seat cushion and seatback. Press C or { to ventilate the driver or passenger seat. See Heated and Ventilated Front Seats on page 3-11. Remote Start Climate Control Operation: If equipped with the remote start feature, the climate control system may run when the vehicle is started remotely. The system uses the driver 's previous settings to heat or cool the inside of the vehicle. The rear defog may come on during remote start based on cold ambient conditions. The rear defog indicator light does not come on during a remote start. If equipped with heated or ventilated seats, they may come on during a remote start. See Remote Vehicle Start on page 2-9 and Heated and Ventilated Front Seats on page 3-11. 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. = (Rear Window Defogger): Press to turn the rear window defogger on or off. The rear window defogger can be set to automatic operation. See "Climate and Air Quality" under Vehicle Personalization on page 5-47. When Auto Rear Defog is selected, the rear window defogger turns on automatically