1993 Cadillac DeVille Owner's Manual - Page 34

P The lap partof the beltshould be worn low and snug on thehips, just touching the thighs. In a crash, this applies force to thestrong pelvic bones. And you'd be less likelyto slide under the lap belt. If you slid under it, the belt would apply force atyour abdomen. This could cause serious or even fatal injuries. The shoulder beltshould go over the shoulder and across the chest. These partsof the body are best ableto take belt restraining forces. The safety belt locks if there's a sudden stopor crash. Shoulder Belt TightnessAdjustment (Sedan De Ville) Your Sedan De Ville has a shoulder belt tightness adjustment feature. If the shoulder belt seems too tight, you can adjust it like this: