1994 Buick Roadmaster Owner's Manual - Page 199

When your vehicleis being towed, have the ignition key off. The steering wheel should be clamped a in straight-ahead position, with clamping device a designed for towing service. Do not use the vehicle's steering column lock this. The transmission should for be in Neutral the parking brake released. and Don't have your vehicle towed on the wheels, rear unless you must.If the vehicle must be towed on the rear wheels, don'tgo more than 35 mph (57 kph) or . farther than50 miles (80 km) or your transmission will be damaged.If these limits must be exceeded, then the rear wheels have be supported on dolly. to a 197