GMC 2013 Acadia/Acadia Denali Owner's Manual page 338

For vehicles being dinghy towed,
the vehicle should be run at the
beginning of each day and at each
RV fuel stop for about five minutes.
This will ensure proper lubrication of
transmission components. Reinstall
the fuse to start the vehicle.
To tow the vehicle from the front
with all four wheels on the ground:
1. Position the vehicle to be towed,
shift the transmission to
P (Park), and turn the ignition to
LOCK/OFF.
2. Secure the vehicle to the towing
vehicle.
3. Set the parking brake.
4. Turn the ignition to ACC/
ACCESSORY.
5. Shift the transmission to
N (Neutral).
6. To prevent the battery from
draining while the vehicle is
being towed, remove the 15 amp
ECM fuse and the 15 amp
Onstar fuse. These are in the
battery compartment behind the
passenger seat on the floor.
Also, remove the 50 amp BATT1
fuse from the underhood fuse
block and store all fuses in a
safe location. See
.
7. Release the parking brake.
Once the destination is reached:
1. Set the parking brake.
2. Reinstall the fuses.
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.