1996 Buick Regal Owner's Manual - Page 46

The safety belt locks if there's a sudden stop ora crash, or if you pull the belt very quickly out of the retractor. You can be seriously hurt your shoulder beltis if too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt shouldfit against your body. To unlatch the belt, just push the button on the buckle. 1-32