Cadillac 2011 Escalade Owner's Manual page 122

3-66 Seats and Restraints
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.
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.
I n f o r ma t i o n P r o v i d e d b y :
If the position you are using
has a fixed headrest or
head restraint and you are
using a single tether, route
the tether around the
inboard or outboard side
of the headrest or head
restraint.