GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
In Brief
11
Seat Adjustment
Manual Seats
To adjust a manual seat:
1. Pull the handle at the front of
the seat.
2. Slide the seat to the desired
position and release the
handle.
3. Try to move the seat back and
forth to be sure it is locked in
place.
See
Seat Adjustment
0
57
.
Power Seats
To adjust a power seat, if equipped:
.
Move the seat forward or
rearward by sliding the control
forward or rearward.
.
If equipped, raise or lower the
front part of the seat cushion by
moving the front of the control
up or down.
.
If equipped, raise or lower the
seat by moving the rear of the
control up or down.
See
Power Seat Adjustment
0
58
.
Lumbar Adjustment
Manual Lumbar
If equipped, move the lever up or
down repeatedly to increase or
decrease lumbar support.
See
Lumbar Adjustment
0
58
.