1998 Buick Century Owner's Manual - Page 57

9. On both sides of the harness, pull up on the lap parta little to be sure locked. it's or If the harness isn't locked, 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 harnessgo all the way back so they will move freely again. Then, repeat Stepsthrough 8. 4 If the harness still doesn't lock, don't use child the restraint. See your dealer to have the built-in child restraint serviced. ~ 10. Adjust the position of the harnesson the child's shoulders by moving the clipup or down along the harness. On each sideof the harness, the shoulder part should be centered onthe child's shoulder. The harness should be away from the child's face and neck, but not falling off the child's shoulders. 1-49