2005 GMC Sierra 1500 Pickup Owner's Manual - Page 360

Rear Towing (Rear Wheels Off the Ground) Two-Wheel-Drive Vehicles Use the following procedure to tow your vehicle from the rear: 1. Drive the vehicle onto the dolly. 2. Firmly set the parking brake. See Parking Brake on page 2-48. 3. Put an automatic transmission in PARK (P) or a manual transmission in FIRST (1). 4. Follow the dolly manufacturer's instructions to attach and secure the vehicle being towed to the dolly and then the loaded dolly to the tow vehicle. Make sure the wheels are straight before towing. For manual transmission vehicles, make sure the wheels are straight before proceeding to the next steps. On automatic transmission vehicles, use an adequeate clamping device to ensure that the front wheels are locked into the straight position. 5. Release the parking brake only after the vehicle being towed is firmly attached to the tow vehicle. 6. Turn the ignition to LOCK. Four-Wheel-Drive Vehicles Use the following procedure to tow your vehicle from the rear: 1. Drive the vehicle onto the dolly. 2. Firmly set the parking brake. See Parking Brake on page 2-48. 3. Put an automatic transmission in PARK (P) or a manual transmission in FIRST (1). 4. Follow the dolly manufacturer's instructions to attach and secure the vehicle being towed to the dolly and then the loaded dolly to the tow vehicle. For manual transmission vehicles, make sure the wheels are straight before proceeding to the next steps. On automatic transmission vehicles, use an adequeate clamping device to ensure that the front wheels are locked into the straight position. 4-66