2010 GMC Canyon Extended Cab Owner's Manual - Page 14

Reclining Seatbacks Power Lumbar Use the vertical control on the outboard side of the seat to raise or recline the seatback by moving the control forward or rearward. Press and hold the front or rear of the control on the outboard side of the seat until you have the desired lumbar support. For more information see: Manual Seats on page 2-2 Power Seats on page 2-3 Reclining Seatbacks on page 2-5 Power Lumbar on page 2-4 1-8