2013 Chevrolet Avalanche Owner Manual - Page 64

3-4 Seats and Restraints . Power Seat Adjustment If available, raise or lower the front or rear part of the seat cushion by moving the front or rear of the control up or down. If available, raise or lower the entire seat by moving the entire control up or down. Lumbar Adjustment Manual Lumbar . To adjust the seatback, see "Power Reclining Seatbacks" under Reclining Seatbacks on page 3‑5. To adjust a power seat, if equipped: . Move the seat forward or rearward by sliding the control forward or rearward. If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.