2013 Chevrolet Tahoe Owner Manual - Page 14

1-8 . In Brief Power Lumbar raise or lower the height of the support, press and hold the top or bottom of the control. See Lumbar Adjustment on page 3‑4. If available, raise or lower the entire seat by moving the entire control up or down. See Power Seat Adjustment on page 3‑3. Lumbar Adjustment Manual Lumbar Reclining Seatbacks Manual Reclining Seatbacks To adjust the power lumbar support, if equipped: . On vehicles with two-way lumbar, press and hold the top or bottom of the control to increase or decrease lumbar support. On vehicles with four-way lumbar, press and hold the front or rear of the control to increase or decrease lumbar support. To To recline a manual seatback: 1. Lift the lever. If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward. See Lumbar Adjustment on page 3‑4. .