1998 Buick Century Owner's Manual - Page 38

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 if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should against your body. fit The lap part of the belt should be worn low and snug on the hips,just touching the thighs.In a crash, this applies force to the strong pelvic bones. And you'd be less likely to slide under the lap belt. If you slid under it, the belt would apply force at your abdomen.This could cause serious or even fatal injuries. shoulder belt shouldgo The over the shoulder and across the chest. These of the parts body are best able to take belt restraining forces. 1-30