1998 Chevrolet Astro Owner's Manual - Page 80

Never do this. Here two children are wearing the same The belt. belt can't properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured.A belt must be used by only one person at a time. Q: What if a child is wearing a lap-shoulder belt, but the childis so small that the shoulder belt is very close to thechild's face or neck? Move the child toward thecenter of the vehicle, but be sure that the shoulder belt still is on thechild's shoulder, so that in a crash the child's upper body would have the restraint that belts provide. the If child is sitting in a rear seat outside position, see "Rear Safety Belt Comfort Guides" in the Index. If the child is so small that the shoulder beltis still very close to the child's face or neck, you might want to place the child in a seat that has a lap belt, if your vehicle hasone. A: 1-66