1998 Buick Century Owner's Manual - Page 47

&.' What if the top of my child's shouldersis above the highest pair slots? of A: A CAUTION: 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 SLOTS COULD INJURED DURINGA BE 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. 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 cushionand use the vehicle's safety belts. 1-39