1998 GMC Suburban Owner's Manual - Page 66

Securing a Child Restraint ina Rear Outside Seat Position 2. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. If the shoulder belt goes in front of the child's face or neck, put it behind the child restraint. You'll be using the lap-shoulder belt. See the earlier part about the top strapif the child restraint has one.Be sure to followthe instructions that came with the child restraint. Secure the child in the child restraint when and as the instructions say. 1. Put the restraint on the seat. 3. 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. 1-54