2004 Cadillac DeVille Owner's Manual - Page 10

The HEAT/OFF button controls the temperature settings HI, MED and LO. The other button is to choose BACK ONLY heating. The LO setting warms the seatback and cushion until the seat approximates body temperature. The MED and HI settings heat the seatback and seat cushion to a slightly higher temperature, and the BACK ONLY heats only the seatback. The temperature can be adjusted by pushing the button from HI to LO or, until the desired setting is reached. You will be able to feel heat in about two minutes. To heat just the seatback, push the BACK ONLY button once, after first activating the heated seat feature. To resume heat to both the seat cushion and seatback, press the button again. Heated and Cooled Seats Your vehicle may have heated and cooled front seats. The buttons are located on the front seat armrests. I (Heated Seatback): heated seatback. Press this button to turn on the J(Heated Seat and Seatback): H(Cooled Seat): cooled seat. Press this button to turn on the heated seat and seatback. Press this button to turn on the Press the button to turn on the feature that you want. A light on the button will display to show which feature is on. 1-4