Chevrolet 2009 Traverse Owner's Manual page 44

1-40 Seats and Restraint System
2.3. 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 dual tether,
route the tether around the
headrest or head restraint.