1998 Chevrolet Lumina Owner's Manual - Page 71
1998 Chevrolet Lumina Manual
Page 71 highlights
Larger Children 6. To tighten the belt, feed the shoulder belt back into the retractor while you push down on the child restraint. You may find it helpful to use your knee to push down on the child restraint as you tighten the belt. the 7. Push and pull child restraint in different directions to be sure is secure. it To remove the child restraint,just unbuckle the vehicle's let safety belt and it go back allthe way. The safety belt will move freely again and be ready to work an adult for or larger child passenger. Children who have outgrown child restraints should wear the vehicle's safety belts. If you havethe choice, a child should next to a sit window so the child can wear a lap-shoulder belt and get the additional restraint a shoulder belt can provide. 1-61