1998 Pontiac Firebird Owner's Manual - Page 26

What's wrong with this? You can be seriously injured if you wear the shoulder belt under yourarm. In a crash, your body would move too far forward, which would increase the chance head andneck injury. of Also, the beltwould apply too much force to the as ribs, which aren't as strong shoulder bones. You could alsoseverely injure internal organs like your liver or spleen. I ~ A: The shoulder beltis worn under the arm. It should be worn over the shoulder all times. at 1-19