1993 Buick Riviera Owner's Manual - Page 195
1993 Buick Riviera Manual
Page 195 highlights
t A CAUTION: A vehicle can fall froma car carrier if it isn't properly secured. This can cause acollision, 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
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