2010 GMC Canyon Extended Cab Owner's Manual - Page 258

Dinghy Towing Two-Wheel Drive Vehicles Four-Wheel Drive Vehicles Use the following procedure to dinghy tow a four-wheel-drive vehicle: 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. Two-wheel-drive vehicles should not be towed with all four wheels on the ground. Two-wheel-drive transmissions have no provisions for internal lubrication while being towed. 5-42 1. Position the vehicle being towed behind the tow vehicle. 2. Put an automatic transmission in P (Park) or a manual transmission in 1 (First).