GMC Acadia 2012 Owner's Manual page 104

3-50 Seats and Restraints
1. Attach and tighten the lower
attachments to the lower
anchors. If the child restraint
does not have lower
attachments or the desired
seating position does not have
lower anchors, secure the child
restraint with the top tether and
the safety belts. Refer to your
child restraint manufacturer
instructions and the instructions
in this manual.
1.1. Find the lower anchors for
the desired seating
position.
1.2. Recline the seatback to the
full reclined position.
Make sure the second row
bench seatbacks are
aligned at the same angle
before placing the child
restraint on the seat. Make
sure the third row bench
seatbacks are both upright
before placing the child
restraint on the seat.
1.3. Put the child restraint on
the seat.
1.4. Attach and tighten the lower
attachments on the child
restraint to the lower
anchors.
2. If the child restraint manufacturer
recommends that the top tether
be attached, attach and tighten
the top tether to the top tether
anchor, if the vehicle has one.
Refer to the child restraint
instructions and the following
steps:
2.1. Find the top tether anchor.
2.2. If the anchor is covered, flip
open the cover to expose
the anchor.
2.3. Route, attach, and tighten
the top tether according to
your child restraint
instructions and the
following instructions:
If the position you are using
does not have a headrest
or head restraint and you
are using a single tether,
route the tether over the
seatback.