GMC Sierra 2014 Owner's Manual page 115

3.1.3. Then attach the
top tether (4) to
the top tether
anchor (loop) (1) at
the center rear
seating position.
3.2. For a top tether in the rear
center position:
3.2.1. Route the top
tether (4) through the
center loop (1), and
behind the
passenger side
headrest post.
3.2.2. Then attach the top
tether (4) to the top
tether anchor (loop)
at the rear
passenger side
seating position.
3.3. For a top tether in the rear
passenger position:
3.3.1. Remove the
headrest.
3.3.2. Route the top
tether (4) through
the loop on the
passenger side.
3.3.3. Then attach the
top tether (4) to
the top tether
anchor (loop) (1) at
the center rear
seating position.
4. Tighten the top tether per the
child restraint manufacturer's
instructions.
When the top tether is properly
tightened, the anchor (loop) may
bend. This is normal and will not
damage the vehicle.
If child restraints are installed in
both outboard positions, both top
tethers can be attached to the
center loop. Top tethers can be
attached for child restraints in all
three rear seating positions at
the same time, following the
routing instructions above.
Seats and Restraints
5. Before placing a child in the
child restraint, make sure it is
securely held in place. To check,
grasp the child restraint at the
LATCH 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.
Headrest Removal and
Reinstallation
Crew Cab Models
For outboard rear seating positions,
if the child restraint cannot be
installed properly with the headrest
in place, the headrest may be
removed. See your dealer for
assistance with removal.
Store the removed headrests in a
secure place. Reinstall the headrest
before the seating position is
moved.
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