2012 Buick Regal Owner Manual - Page 370

10-96 Vehicle Care If the vehicle must be towed, a dolly should be used. See "Dolly Towing" that follows for more information. 3. Set the parking brake. 4. Following the manufacturer's instructions, attach the vehicle being towed to the tow vehicle. 5. Shift the transmission to Neutral. 6. Release the parking brake. When towing the vehicle for extended periods of time, start the vehicle as often as possible to prevent battery drain. This should be done when the tow vehicle is parked. Dinghy Towing (With Automatic Transmission) Dinghy Towing (With Manual Transmission) Dinghy Towing from the Rear Notice: If the vehicle is towed with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by the vehicle warranty. Do not tow the vehicle with all four wheels on the ground. Vehicles with an automatic transmission should not be towed with all four wheels on the ground. Use the following procedure to dinghy tow the vehicle from the front with all four wheels on the ground: 1. Position the vehicle being towed behind the tow vehicle. 2. Shift the transmission into 1 (First) gear and turn the engine off.