Acura 2011 TL Owner's Manual page 159

Seats
Passenger's seat
The driver's seat includes a memory
feature. Two seat positions can be
stored in separate memories. You
can then select a memorized position
by pushing the appropriate memory
button. Refer to page 164
memorize and select the seat
positions.
156
Head Restraints
See page 15
information and a warning about
improperly positioning head restraints.
Your vehicle is equipped with head
restraints in all seating positions to
help protect you and your
passengers from the likelihood of
whiplash and other injuries.
for how to
for important safety
2011 TL
They are most effective when you
adjust them so the center of the back
of the occupant's head rests against
the center of the restraint.