Chevrolet 2007 Equinox Owner's Manual page 63

If the position you are
using does not have a
head restraint and
you are using a dual
tether, route the
tether over the
seatback.
If the position you are
using has an adjustable
head restraint and you
are using a dual tether,
route the tether around
the head restraint.
3. Push and pull the child restraint in different
directions to be sure it is secure.
If the position you are
using has an adjustable
head restraint and you
are using a single tether,
raise the head restraint
and route the tether
under the head restraint
and in between the head
restraint posts.
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