1998 Oldsmobile Silhouette Owner's Manual - Page 17

But don't havea seatback reclinedif your vehicle is moving. Sitting in a reclined position when your vehicle in motion can be dangerous. Even you buckle if up, your safety belts can't their job when do you're reclined like this. The shoulder belt can't do job because it its won't be againstyour body. Instead, it will bein front of you. In a crash you couldgo into it, receiving neckor other injuries. The lap belt can't do its either. In a crash the job belt could go up over your abdomen. The belt forces would be there, not your pelvic bones. at This could cause serious internal injuries. For proper protection when the vehicle isin motion, have the seatback upright. Then well sit back in the seat and wear your safety belt properl 1-5