Oldsmobile INTRIGUE 2001 Owner's Manual page 54

In Canada, the law requires that forward
restraints have a top strap, and that the strap be
anchored. In the United States, some child restraints also
have a top strap. If your child restraint has a top strap, it
should be anchored.
Your vehicle has top strap anchors already installed for
the rear seating positions. You'll find them behind the
rear seat on the filler panel.
In order to get to a bracket, you'll have to open the trim cover.
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facing child Anchor the top strap to one of these anchor points.
Be sure to use an anchor point located on the same side
of the vehicle as the seating position where the child
restraint will be placed.
Once you have the top strap anchored, you'll be ready to
secure the child restraint itself. Tighten the top strap
when and as the child restraint manufacturer's
instructions say.