GMC 2012 Sierra Series Owner's Manual page 17

Seat Adjustment
Manual Seats
To adjust the seat:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desired
position and release the bar.
3. Try to move the seat back and
forth to be sure the seat is
locked in place.
See Seat Adjustment on page 3 3
for more information.
Power Seats
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.
I n f o r ma t i o n P r o v i d e d b y :
In Brief
See Power Seat Adjustment on
page 3 4 for more information.
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.
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