GMC Yukon 2012 Owner's Manual page 14

1-8 In Brief
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease
manual lumbar support by turning
the knob forward or rearward.
See Lumbar Adjustment on
page 3 4 for more information.
Power Lumbar
To adjust the power lumbar support,
if equipped:
On vehicles with two-way
lumbar, press and hold the top
or bottom of the control to
increase or decrease lumbar
support.
On vehicles with four-way
lumbar, press and hold the front
or rear of the control to increase
or decrease lumbar support.
I n f o r ma t i o n P r o v i d e d b y :
To raise or lower the height of
the support, press and hold the
top or bottom of the control.
See Lumbar Adjustment on
page 3 4 for more information.
Reclining Seatbacks
Manual Reclining Seatbacks
To recline a manual seatback:
1. Lift the lever.