Chrysler PT Cruiser Owner's Manual page 87

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 85
WARNING!
A belt that is worn under your arm is very dangerous.
2
Your body could strike the inside surfaces of the
vehicle in a collision, increasing head and neck
injury. A belt worn under the arm can cause internal
injuries. Ribs aren't as strong as shoulder bones.
Wear the belt over your shoulder so that your stron-
gest bones will take the force in a collision.
A belt that is too loose will not protect you as well. In
a sudden stop you could move too far forward,
increasing the possibility of injury. Wear your seat
Latch Plate To Buckle
belt snugly.