1993 Buick LeSabre Owner's Manual - Page 207

When your vehicle is being towed, have the ignition key off. The steering wheel should be clamped in a straight-ahead position, with a clamping device designed for towing service. Do not use the vehicle's steering column lock for this. The transaxle should be in Neutral and the parking brake released. Don't have your vehicle towed on the front wheels, unless you must. If the vehicle must be towed on the front wheels, don't go more than 55 mph (88 kph) or farther than 500 miles (800 km) or your transaxle will be damaged. If these limits must be exceeded, then the front wheels have to be supported on a dolly. A CAUTION: A vehicle canfall from a car carrierifit isn't properly secured, This can cause acollision, serious personalinjury and vehlcledamage. The vehicle should be tightly secured with chains or steel cables before is transported. it Don't usesubstitutes (ropes, leather straps, canvas webbing, etc.) that can be bysharp cut zdges underneaththe towed vehicle.