2010 GMC Acadia Owner's Manual - Page 401

Vehicle Care Once the destination is reached: 1. Set the parking brake. 2. Reinstall the 50 amp BATT1 fuse to the underhood fuse block. 3. Shift the transmission to P (Park), turn the ignition to LOCK/OFF and remove the key from the ignition. 4. Disconnect the vehicle from the towing vehicle. 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. 10-85 Dolly Towing (All-Wheel‐Drive Vehicles) Dolly Towing (Front-Wheel‐Drive Vehicles Only) All-wheel‐drive vehicles must 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. To tow a front-wheel‐drive vehicle from the front with two wheels on the ground: 1. Put the front wheels on a dolly. 2. Move the shift lever to P (Park). 3. Set the parking brake.