GMC 2015 Sierra Owner's Manual page 110

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.
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 (Rear Seat) on
page 3-57 or Securing Child
Restraints (Front Passenger
Seat) on page 3-61.
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.
Seats and Restraints
Crew Cab Models
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 s
instructions and the instructions
in this manual.
1.1. Find the lower anchors for
the desired seating
position.
1.2. Put the child restraint on
the seat.
1.3. Attach and tighten the lower
attachments on the child
restraint to the lower
anchors.
3-51