Pontiac 2009 G8 Owner's Manual page 50

1-46 Seats and Restraints
2. If the child restraint manufacturer
recommends that the top tether
be attached, attach and tighten
the top tether to the top tether
anchor, if equipped. Refer to the
child restraint instructions and the
following steps:
2.1. Find the top tether anchor.
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.