Cadillac 2008 CTS - Manual (Page 52)

2.4. 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
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
head restraint and you are
using a dual tether,
route the tether over the
seatback.
If the position you are
using has a fixed head
restraint and you are using
a dual tether, route the
tether around the
head restraint.
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.
3. Push and pull the child restraint in different
directions to be sure it is secure.
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