2010 GMC Terrain Owner's Manual - Page 357

Vehicle Care 4. Turn all accessories off. 5. To prevent the battery from draining while the vehicle is being towed, remove fuse 32, the Discrete Logic Ignition Switch fuse, from the instrument panel fuse block and store it in a safe location. See Instrument Panel Fuse Block on page 9‑42. Notice: If the vehicle is towed without performing each of the steps listed under "Dinghy Towing," the automatic transmission could be damaged. Be sure to follow all steps of the dinghy towing procedure prior to and after towing the vehicle. Notice: If 105 km/h (65 mph) is exceeded while towing the vehicle, it could be damaged. Never exceed 105 km/h (65 mph) while towing the vehicle. Once the destination has been reached: 1. Set the parking brake. 2. Shift the transmission to P (Park). 3. Turn the ignition key to LOCK/OFF. 4. Install fuse 32, the Discrete Logic Ignition Switch fuse. See Instrument Panel Fuse Block on page 9‑42. 5. Start the engine and let it idle for more than three minutes before driving the vehicle. Notice: Too much or too little fluid can damage the transmission. Be sure that the transmission fluid is at the proper level before towing with all four wheels on the ground. 9-83 Notice: Do not tow a vehicle with the front drive wheels on the ground if one of the front tires is a compact spare tire. Towing with two different tire sizes on the front of the vehicle can cause severe damage to the transmission. Dolly Towing (All-Wheel‐Drive Vehicles) All-wheel‐drive vehicles should not be towed with two wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off of the ground or dinghy towed from the front.