GMC Yukon XL 2015 Owner's Manual page 125

3-56 Seats and Restraints
This system is designed to make
installation of child restraints easier.
When using lower anchors, do not
use the vehicle's safety belts.
Instead use the vehicle's anchors
and child restraint attachments to
secure the restraints. Some
restraints also use another vehicle
anchor to secure a top tether.
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 the safety belts
and top tether when
recommended by the child
restraint manufacturer. 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. Put the child restraint on
the seat.
1.3. 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. Refer to the child
restraint instructions and the
following steps:
2.1. Find the top tether anchor.
For models with a third row
seat, move the flipper panel
rearward to access the top
tether anchors.
2.2. Route, attach, and tighten
the top tether according to
your child restraint
instructions and the
following instructions: