GMC 2005 Sierra Denali, Owner'S Manual, Page: 46 / 428

When using a child restraint with a top strap in the
center rear position, route the top strap through
the fabric loop on the seatback. Then, raise the head
restraint and attach the top strap to the anchor
point located at the closest outboard position.
There is no top strap anchor at the right front passenger
position. Do not secure a child seat in this position if
a national or local law requires that the top strap
be anchored or if the instructions that come with the
child restraint say that the top strap must be anchored.
Lower Anchorages and Top Tethers
for Children (LATCH System)
Your vehicle has the LATCH system. You will find
anchors for rear outboard seating positions.
This system, designed to make installation of child
restraints easier, does not use the vehicle’s safety belts.
Instead, it uses vehicle anchors and child restraint
attachments to secure the restraints. Some restraints
also use another vehicle anchor to secure a top
tether strap.
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