lumbar support GMC SIERRA 1997 Owners Manual

Power Lumbar Control
If you have power lumbar
adjustment, you can
increase or decrease lumbar support in an area of the
lower seatback.
Reclining Seatbacks
To increase support, press and hold the front of the
rocker switch. Let go
of the switch when the lower
seatback reaches the desired level
of support.
To decrease support, press and hold the rear of the
rocker switch. Let
go of the switch when the lower
seatback reaches the desired level of support.
To adjust the front seatback, move the lever rearward.
Release the lever to lock the seatback where you want it.
Move the lever again rearward and the seatback will
go
to an upright position.
1-4
ProCarManuals.com