1993 Buick Park Avenue Owner's Manual - Page 52
1993 Buick Park Avenue Manual
Page 52 highlights
To remove the child restraint, just unbuckle the vehicle's safety belt and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. Securing a Child Restraint in a Center Seat Position 7. Push and pull the child restraint in different directions to be sure it is secure. When you secure achild restraint in a center seating position, you'll be using the lap belt.