2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 47

If the vehicle has a manual seat, it can be moved forward or rearward. 1. Lift the bar to unlock the seat. 2. Slide the seat to the desired position and release the bar. Power Seats Try to move the seat with your body to be sure the seat is locked in place. Driver's Seat with Power Seat Control, Power Recline, and Power Lumbar shown On a vehicle with power seats, the controls used to operate them are located on the outboard side of the seats. Move the seat forward or rearward by sliding the control forward or rearward. 2-5