Chevrolet 1993 Astro Passenger Owner's Manual page 48

Seats and Safety Belts
AN160148
L
AN160087
7. Push and pull the child restraint in different directions to be sure
it is
secure.
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 the Center Rear Seat Position
I
K3133
When you secure a child restraint in a center seating position, you'll be using
the lap belt. See the earlier part about the top strap if the child restraint has
one.
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