1997 GMC Safari Owner's Manual - Page 57

A CAUTION: An unfastened shoulder harnessclip won't help keep the harnessin place onthe child's shoulders. I the harnessisn't on the child's shoulders, it f won't be able to restrain child's upper body the in a sudden stop crash. The child could be or seriously injured. Make sure the harness clip is properly fastened. 9. Now fasten the left and right halves of the shoulder harness clip together.The purpose of this clip is to help keep the harness positioned on the child's shoulders.