Buick LESABRE 1996 Manual page 46

Your dealer can obtain the hardware kit and install it for
you, or you may install it yourself using the instructions
provided in the kit.
Use the tether hardware kit available from the dealer.
The hardware and installation instructions were
specifically designed for this vehicle.
You'll be using the lap-shoulder belt. See the earlier part
about the top strap if the child restraint has one.
1. Put the restraint on the seat. Follow the instructions
for the child restraint.
2. Secure-the child in the child restraint as the
instructions say.
3.
'
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.
Tilt the latch plate to adjust the belt if needed.
If the shoulder belt goes in front of the child's face or
neck, put it behind the-child restraint.
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