2013 Buick LaCrosse Owner Manual - Page 352

10-92 Vehicle Care Dolly Towing from the Rear Dolly Towing from the Front (All-Wheel Drive) Appearance Care Exterior Care Locks Locks are lubricated at the factory. Use a de-icing agent only when absolutely necessary, and have the locks greased after using. See Recommended Fluids and Lubricants. Washing the Vehicle Vehicles with all-wheel drive cannot be dolly towed. The vehicle cannot be dolly towed from the rear. To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum-based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or plastic parts. If damage occurs, it would not be covered by the vehicle's warranty. Approved cleaning products can be obtained from your dealer. Follow all manufacturer directions regarding correct