1996 Buick LeSabre Owner's Manual - Page 49

6. To tighten the belt, pull its free end while you push down on the child restraint. 7. Push and pull the child restraint in different directions tobe sure it is secure. If it isn't, secure the restraint in a different place the vehicleand in contact the child restraint maker for their advice about how to attach the child restraint properly. To remove the child restraint, justunbuckle the vehicle's safety belt. It will be ready to work for an adult or larger child passenger. 5. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if you ever had to.