Hyundai 2009 Entourage Owner's Manual page 58

Features of your vehicle
Active headrest (if equipped)
The active headrest is designed to move
forward and upward during a rear impact.
This helps to prevent the driver's and
front passenger's head from moving
backward and thus helps prevent neck
injuries.
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Forward and backward adjustment
The headrest may be adjusted forward to
three different positions by pulling the
headrest forward. To adjust the headrest
backward, pull it fully forward to the far-
thest position and release it. Adjust the
headrest so that it properly supports the
head and neck.
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Adjusting the height up and down
To raise the headrest, pull it up to the
desired position (1). To lower the head-
rest, push and hold the release button (2)
on the headrest support and lower the
headrest to the desired position (3). To
remove the headrest, raise it as far as it
can go then press the release button
while pulling upward. This should only be
done when the seat is not occupied.
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