Pontiac 2007 G6 - Manual (Page 39)

3. Pull up on the latch plate to make sure it is
secure.
When the shoulder belt is pulled out all the
way, it will lock. If it does, let it go back all the
way and start again.
If the belt is not long enough, see Safety Belt
Extender on page 45.
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.
4. 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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