Pontiac Aztek 2003 Owner's Manual page 37

3. To make the lap belt longer, tilt the latch plate and
pull it along the belt.
To make the belt shorter, pull its free end as shown
until the belt is snug
4. Buckle, position and release the lap-shoulder belt
the same way as the other lap-shoulder belts. If
the belt isn't long enough, see Safety Belt Extender
on page 1-36 .
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.
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