Saturn 2006 Ion Owner's Manual page 59

5. Pull the rest of the shoulder belt all the way out of 6. To tighten the belt, push down on the child restraint,
the retractor to set the lock. pull the shoulder portion of the belt to tighten
the lap portion of the belt and feed the shoulder
belt back into the retractor. If you are using a
forward-facing child restraint, you may find it
helpful to use your knee to push down on the
child restraint as you tighten the belt. You should
not be able to pull more of the belt from the
retractor once the lock has been set.
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