Cadillac 1998 Catera Owner's Manual page 52

Adjust the height so that the shoulder portion of the
belt is centered
on
your shoulder. The belt should be
away from your face and neck, but not falling
off
your shoulder.
1
A
CAUTION:
t
I
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 against your body.
To unlatch the belt, just push the button on the buckle.