2010 Buick LaCrosse Owner's Manual - Page 362

9-82 Vehicle Care 2. Turn the engine off and firmly set the parking brake. 3. Following the manufacturer's instructions, securely attach the vehicle being towed to the tow vehicle. 4. Turn the ignition to ACC/ ACCESSORY and shift the transmission to N (Neutral). 5. Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle. 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. The vehicle was not designed to be towed from the rear with all four wheels on the ground. Dinghy Towing From the Front When dinghy towing, the vehicle should be run at the beginning of each day and at each RV fuel stop for about five minutes. This will ensure proper lubrication of transmission components. Dinghy Towing From the Rear 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 and shift the transmission to P (Park).