Geo Prizm 1997 Owner's Manual page 35

Lap-Shoulder Belt
2. Push the latch plate into the buckle until it clicks.
1. Pick up the latch plate and pull the belt across you.
Don't let it get twisted.
The shoulder belt may lock if you pull the belt across
you very quickly. If this happens, let the belt go back
slightly to unlock it. Then pull the belt across you
more slowly.
3. To make the lap part tight, pull down on the buckle
end of the belt as you pull up on the shoulder part
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