2005 Chevrolet Impala Owner's Manual - Page 10

Manual Lumbar Heated Seats If your vehicle has this feature, the buttons that control temperature for the driver's and front passenger's seats are located on the climate control panel. See Climate Control System on page 3-19. Driver's Seat with Manual Lumbar and 8-way Power Controls shown If your vehicle has manual lumbar, the lever is located on the outboard side of the driver's seat near the front of the seat cushion. Lift up on the lever repeatedly to increase lumbar support. Push down on the lever repeatedly to decrease lumbar support. Press the button once to warm the seat to a high temperature. Both lights below the heated seat symbol will come on. Press the button a second time to reduce the seat to a lower temperature. The bottom light will be lit. Press the button a third time to turn the heated seat off. The heated seat feature will need to be turned on each time the ignition is turned off and back on again. 1-4