1997 Buick Riviera Owner's Manual - Page 210

To help avoidinjury toyou or others: 0 Never let passengers ride in vehicle that is a being towed. 0 Never tow faster thansafe or posted speeds. 0 Never tow with damaged parts not fully secured. 0 Never get under yourvehicle after it has been lifted by the tow truck. 0 Always secure the vehicle on each side with separate safety chains when towing it. 0 Never use J-hooks. Use T-hooks instead. A vehicle can fall from car carrierif it isn't a adequately secured. This can cause collision, a serious personal injury andvehicle damage. The vehicle should be tightly secured with chains or steel cables before is transported. it Don't use substitutes (ropes, leather straps, canvas webbing,etc.) that canbe cut by sharp edges underneath thetowed vehicle. Always use T-hooks inserted in theT-hook slots. Never use J-hooks. They will damage drivetrain and suspension components. 5-9