2005 Chevrolet Silverado 3500 Pickup Owner's Manual - Page 356

Four-Wheel-Drive Vehicles 4. Firmly set the parking brake. 5. Securely attach the vehicle being towed to the tow dolly. {CAUTION: Shifting a four-wheel-drive vehicle's transfer case into NEUTRAL can cause your vehicle to roll even if the transmission is in Park (P) for an automatic transmission, or if your vehicle is in gear, for a manual transmission. You or others could be injured. Make sure the parking brake is firmly set before you shift the transfer case to NEUTRAL. 6. Shift the transfer case to NEUTRAL. See Four-Wheel Drive on page 2-37 for the proper procedure to select the neutral position for your vehicle. 7. Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle. 8. Turn the ignition off and lock the steering column. For four-wheel-drive vehicles, use the following procedure to tow your vehicle: 1. Drive the vehicle up onto the tow dolly. 2. Shift an automatic transmission to PARK (P), or a manual transmission to FIRST (1). 3. Turn the engine off, but leave the ignition on. 4-66