2012 Chevrolet Avalanche Owner's Manual - Page 418

10-88 Vehicle Care { WARNING Shifting a four-wheel-drive vehicle's transfer case into N (Neutral) can cause the vehicle to roll even if the transmission is in P (Park). The driver or others could be injured. Make sure the parking brake is firmly set before the transfer case is shifted to N (Neutral). 5. Shift the transfer case to N (Neutral). See "Shifting into N (Neutral)" under "Four-Wheel Drive." 6. Secure the vehicle to the dolly following the manufacturer's instructions. 7. Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle. 8. Turn the ignition to LOCK/OFF. After towing, see "Shifting Out of N (Neutral)" under "Four-Wheel Drive." Use the following procedure to dolly tow the vehicle from the rear: 1. Attach the dolly to the tow vehicle following the dolly manufacturer's instructions. 2. Drive the rear wheels onto the dolly. 3. Firmly set the parking brake. See Parking Brake on page 9‑42. 4. Put the transmission in P (Park). 5. Secure the vehicle to the dolly following the manufacturer's instructions. 6. Use an adequate clamping device designed for towing to ensure that the front wheels are locked into the straight position. Rear Towing (Rear Wheels Off the Ground) Two-Wheel-Drive Vehicles and Four-Wheel Drive Vehicles with a Single Speed Automatic Transfer Case 7. For four-wheel drive vehicles with a single speed automatic transfer case, shift the transfer case to the Two-Wheel High position. 8. Turn the ignition to LOCK/OFF.