Chevrolet 2006 Express Van Owner's Manual page 21

3. Pick up the latch plate and pull the belt across you.
Do not let it get twisted.
4. Push the latch plate into the buckle until it clicks.
Pull up on the latch plate to make sure it is secure.
If the belt is not long enough, see Safety Belt
Extender on page 1-30.
Make sure the release button on the buckle is
positioned so you would be able to unbuckle the
safety belt quickly if you ever had to.
5. Move the shoulder belt height adjuster to the height
that is right for you. See Shoulder Belt Height
Adjustment on page 1-22.
6. To make the lap part tight, pull down on the buckle
end of the belt as you pull up on the shoulder belt.
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