2005 Cadillac DeVille Owner's Manual - Page 12

J (Heated Seat and Seatback): Press this button to turn on the heated seat and seatback. Press the button to turn on the feature that you want. A light on the button will display to show which feature is on. There are three temperature ranges for each feature. A light bar near the buttons will display which setting the feature is in; high, medium or low. The longest bar shows the high range and the shortest bar shows the low range. When you press a button, the feature will turn on at the highest setting. Each time you press the button, the feature will go down one temperature setting. To turn the feature off, keep pressing the button until the display lights turn off. Power Lumbar Your vehicle may be equipped with four-way lumbar support, without the massage feature, for the outboard rear seating positions. The rear lumbar support controls are located on the rear door trim panels. To activate the rear lumbar support feature, push forward on the control to increase support or rearward to decrease support. The lumbar control can also be moved up and down to adjust the location of the support. 1-6