GMC Sierra 2014 Owner's Manual page 111

1.3. Remove the cover to
expose the anchor.
1.4. Route, attach, and tighten
the top tether according to
your child restraint
instructions and the
following instructions:
If the position you are using
has an adjustable head
restraint and you are using
a dual tether, route the
tether around the head
restraint.
If the position you are using
has an adjustable head
restraint and you are using
a single tether, raise the
head restraint and route the
tether under the head
restraint and in between the
head restraint posts.
Seats and Restraints
2. Secure the child restraint in the
right front seating position with
the vehicle safety belts. See
Securing Child Restraints
(Center Front Seat) on
page 3-57 or Securing Child
Restraints (Front Outboard
Passenger Seat) on page 3-57
or Securing Child Restraints
(Rear Seat) on page 3-66.
3. Before placing a child in the
child restraint, make sure it is
securely held in place. To check,
grasp the child restraint at the
safety belt path and attempt to
move it side to side and back
and forth. There should be no
more than 2.5 cm (1 in) of
movement for proper installation.
3-51