Chevrolet 1997 Astro Owner's Manual page 65

Securing a Child Restraint in a Center Seat
Position (Bench Seat)
You'll be using the lap belt.
See the earlier part about the top strap if the child
restraint has one.
1.
2 .
3.
4.
Make the belt as long as possible by tilting the latch
plate and pulling
it
along the belt.
Put the restraint on the seat. Follow the instructions
for the child restraint.
Secure the child in the child restraint as the
instructions say.
Run the vehicle's safety belt through or around the
restraint. The child restraint instructions will show
you how.
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