Buick RIVIERA 1993 Manual page 195

A
CAUTION:
t
A vehicle can fall from a car carrier if it isn't
properly secured. This can cause a collision,
serious personal injury and vehicle damage.
The vehicle should be tightly secured with
chains or steel cables before
it
is transported.
Don't use substitutes (ropes, leather straps,
canvas webbing, etc.) that can be cut by sha
.
edges underneath the towed vehicle.
193