Buick CENTURY 1997 Manual page 60

9. On both sides of the harness, pull up on the lap part
a little to be sure it's locked.
If the harness isn't locked, or if it becomes too
tight, unfasten the harness clip. Then unlatch the
harness by pushing the button on the buckle, and let
both sides of the harness go all the way back so
they will move freely again, Then, repeat Steps 4
through 8.
If the harness still doesn't lock, don't use the child
restraint. See your dealer to have the built-in child
restraint serviced.
10. Adjust the position of the harness on the child's
shoulders by moving the clip up or down along the
harness. On each side of the harness, the shoulder
part should be centered on the child's shoulder. The
harness should be away from the child's face and
neck, but not falling off the child's shoulders.
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