Buick 2007 LaCrosse - Manual (Page 57)

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. Open the top tether anchor trim cover
to expose the anchor.
2.3. 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 and you are
using a single tether,
route the tether over
the seatback.
If the position you are
using does not have a
headrest and you are
using a dual tether, route
the tether over the
seatback.
If the position you are
using has a fixed
headrest and you are
using a single tether,
route the tether over
the head restraint.
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