2010 Buick Lucerne Owner's Manual - Page 36

. Raise or lower the rear part of the seat cushion by moving the rear of the control up or down. Raise or lower the entire seat by moving the entire control up or down. . For vehicles with a two-way lumbar control, press the control top or bottom to increase or decrease support in the lower seatback. On vehicles with a four-way lumbar control, press the control forward or rearward to increase or decrease support in the lower seatback. Press the top or bottom of the control to raise or lower the support in the seatback. The lumbar support may need to be re-adjusted when changing the seating position. On vehicles with power reclining seatbacks, see "Power Reclining Seatbacks" under Reclining Seatbacks on page 2‑8. Power Lumbar Heated Seats Your vehicle may have heated front seats. To operate the heated seats, the ignition must be on. The buttons are located on the front doors. On vehicles with power lumbar, the control is located on the outboard side of the front seats. Driver's Side Buttons shown 2-4