1997 Buick LeSabre Owner's Manual - Page 219

AC UTION: 'A CAUTION: A vehicle can fall from car carrier if it isn't a adequately secured. This can cause collision, a serious personal injury and vehicle damage. The vehicle should be tightly secured with chains or steel cables before it transported. is Don't use substitutes (ropes, leather straps, canvas webbing, etc.) that can be cut sharp by vehicle. Always use edges underneath the towed T-hooks inserted in the T-hook slots. Never use J-hooks. They will damage drivetrain and suspension components. Never let passengers ride in a vehicle that is being towed. Never tow faster than safe or posted speeds. Never tow with damaged parts notfully secured. Never get under your vehicle after it has been lifted by the tow truck. Always secure the vehicle on each side with separate safety chains when towing it. Never use J-hooks. Use T-hooks instead. 5-9