1994 Chevrolet Astro Owner's Manual - Page 44

3. To make the lap part tight, pull down on the buckle endof the belt as you pull up on the shoulder part. The lap part of the belt should be worn low and snug hips, just on the touching the thighs. In a crash, this appliesforce to the strong pelvic bones. And you'd be less likely toslide under thelap belt. If you slid underit, the belt would applyforce at your abdomen. This could cause serious even or fatal injuries. The shoulder belt should goover the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there'ssudden stop or a crash. a 1-32