GMC Yukon 2021 Owner's Manual page 83

82 Seats and Restraints
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.
2.2. Route, attach, and tighten the top
tether according to your child
restraint instructions and the
following instructions:
If the position you are using does
not have a headrest or head
restraint and you are using a single
tether, route the tether over the
seatback.
If the position you are using does
not have a headrest or head
restraint and you are using a dual
tether, route the tether over the
seatback.
If the position you are using has a
fixed headrest or head restraint and
you are using a single tether, route
the tether around the inboard side
of the headrest or head restraint.