Chevrolet 2012 Suburban Owner's Manual page 123

2.2. 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.
I n f o r ma t i o n P r o v i d e d b y :
Seats and Restraints
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.
3-61