1997 Buick Century Owner's Manual - Page 50

@ What if the top of my child's shoulders is above the highest pair of slots? A child whose shoulders are above the highest slots shouldn't use this child restraint. Instead, the child should sit on the vehicle's seat cushion and use the vehicle's safety belts. Adjusting the Harness Height A: MAKE SURE THE TOP OF THE CHILD'S SHOULDERS IS BELOW THE SLOTS THAT THE HARNESS GOES THROUGH.A CHILD WHOSE SHOULDERS ARE ABOVE THOSE A SLOTS COULD BE INJURED DURING SUDDEN STOP OR CRASH.'IF THE TOP OF THE CHILD'S SHOULDERSIS ABOVE THE SLOTS,DON'T USE THIS CHILD RESTRAINT. INSTEAD,THE CHILD SHOULD SIT ON THE VEHICLE'S REGULAR SEAT AND USE THE REGULAR SAFETY BELTS. 1. Lower the child restraint cushion. 1-36