GMC 2000 Savana - Manual (Page 67)

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5. To tighten the belt, feed the shoulder belt back into
the retractor while you push down on the child
restraint. If you’re using a forward
- facing child
restraint, you may find it helpful to use your knee
to push down on the child restraint as you tighten
the belt.
6. 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 a Center
Seat Position
You’ll be using the lap belt. Be sure to follow the
instructions that came with the child restraint. Secure the
child in the child restraint when and as the instructions say.
See the earlier part about the top strap if the child
restraint has one.