Pontiac 2009 Torrent Owner's Manual page 52

2.3. Route, attach and tighten the top tether
according to your child restraint instructions
and the following instructions:
1-48
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.
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 headrest
or head restraint and you
are using a dual tether,
route the tether around the
headrest or head restraint.
If the position you are using
has an adjustable headrest
or head restraint and you
are using a single tether,
raise the headrest or head
restraint and route the
tether under the headrest
or head restraint and in
between the headrest or
head restraint posts.