GMC 2010 Savana 1500 Cargo Owner's Manual page 41

Q:
What is wrong with this?
A:
The shoulder belt is too loose. It will not give as
much protection this way.
WARNING:
{
You can be seriously hurt if your shoulder belt is
too loose. In a crash, you would move forward too
much, which could increase injury. The shoulder
belt should fit snugly against your body.
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