GMC 2013 Sierra - Lumbar Adjustment; Power Seat Adjustment

Black plate (4,1)
GMC Sierra Owner Manual - 2013 - crc - 8/14/12
3-4 Seats and Restraints
Power Seat Adjustment
To adjust a power seat, if equipped:
.
Move the seat forward or
rearward by sliding the control
forward or rearward.
.
If available, raise or lower the
front or rear part of the seat
cushion by moving the front or
rear of the control up or down.
.
If available, raise or lower the
entire seat by moving the entire
control up or down.
To adjust the seatback, see “Power
Reclining Seatbacks” under
Reclining Seatbacks on page 3‑5.
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease
manual lumbar support by turning
the knob forward or rearward.
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. To
Information Provided by: