2007 GMC Canyon Owner's Manual - Page 242

4. Securely attach the vehicle being towed to the tow vehicle. Dolly Towing Front Towing (Front Wheels Off the Ground) Two-Wheel-Drive Vehicles Notice: If you tow a two-wheel-drive vehicle with the rear wheels on the ground, the transmission could be damaged. The repairs would not be covered by your warranty. Never tow your vehicle with the rear wheels on the ground. Two-wheel-drive vehicles should not be towed with the rear wheels on the ground. Two-wheel-drive transmissions have no provisions for internal lubrication while being towed. To dolly tow a two-wheel-drive vehicle, you must tow the vehicle with the rear wheels on the dolly. See "Rear Towing (Rear Wheels Off the Ground)" later in this section for more information. {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. 5. Shift the transfer case to NEUTRAL. See Four-Wheel Drive on page 2-28 for more information. 6. Release the parking brake only after the vehicle being towed is firmly attached to the tow vehicle. 7. Turn the ignition to LOCK. If the tow vehicle will not be started or driven for six weeks or more, remove the battery cable from the negative terminal (post) of the battery to prevent your battery from draining while towing. After towing see "Shifting Out of NEUTRAL" under Four-Wheel Drive on page 2-28. 4-40