2009 GMC SIERRA 1500 lumbar support

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Page 12 of 602

GMC SIERRA 1500 2009  Owners Manual Your vehicle may have additional features to adjust your
vehicle’s power seat:
Raise or lower the front part of the seat cushion by
moving the front of the control up or down.
Raise or lower the rea

Page 13 of 602

GMC SIERRA 1500 2009  Owners Manual Power Lumbar
On seats with power lumbar, the controls used to operate
this feature are located on the outboard side of the seats.
To increase lumbar support, press and hold the front
of the control.
T