GMC Terrain Denali 2015 Owner's Manual page 290

Dolly Towing
(Front-Wheel-Drive Vehicles)
To tow the vehicle from the front
with the rear 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.
4. Secure the vehicle to the dolly.
5. Follow the dolly manufacturer's
instructions for preparing the
vehicle and dolly for towing.
6. Release the parking brake.
Towing the Vehicle from
the Rear
Vehicle Care
Caution
Towing the vehicle from the rear
could damage it. Also, repairs
would not be covered by the
vehicle warranty. Never have the
vehicle towed from the rear.
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