Cadillac 2008 DTS Owner's Manual page 23

Q:
What is wrong with this?
A:
The lap belt is too loose. It will not give as much
protection this way.
1-18
CAUTION:
{
You can be seriously hurt if your lap belt is
too loose. In a crash, you could slide under
the lap belt and apply force on your abdomen.
This could cause serious or even fatal injuries.
The lap belt should be worn low and snug
on the hips, just touching the thighs.