GMC Acadia 2011 Owner's Manual page 57

The vehicle's second row seats
have head restraints in the outboard
seating positions that cannot be
adjusted.
The vehicle's third row seats have
headrests in the outboard seating
positions that cannot be adjusted.
The vehicle's head restraints and
headrests are not designed to be
removed.
Front Seats
Seat Adjustment
WARNING
You can lose control of the
vehicle if you try to adjust a
manual driver seat while the
vehicle is moving. The sudden
movement could startle and
confuse you, or make you push
a pedal when you do not want to.
Adjust the driver seat only when
the vehicle is not moving.
Seats and Restraints
A. Manual Seat Adjustment
Handle.
B. Driver Seat Height Adjuster.
C. See Reclining Seatbacks on
page 3 7.
To adjust a manual seat:
1. Lift the handle (A) under the seat
to unlock it.
2. Slide the seat and release the
handle.
Try to move the seat to be sure it is
locked in place.
3-3