Chevrolet 2007 Colorado Owner's Manual page 68

2.3. Route the top tether according to your
child restraint instructions and the
following instructions:
68
If the position you
are using has a
fixed head restraint
and you are using
a single tether, route
the tether over the
head restraint.
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.
3. Attach and tighten the top tether according
to your child restraint instructions.
4. Push and pull the child restraint in different
directions to be sure it is secure.
If the position you
are using has a
fixed or adjustable
head restraint and
you are using a dual
tether, route the
tether around the
head restraint.