GMC Yukon 2015 Owner's Manual page 387

10-86 Vehicle Care
Caution
Towing a four-wheel-drive vehicle
with all four wheels on the
ground, or even with only two of
its wheels on the ground, will
damage drivetrain components.
Do not tow a four-wheel-drive
vehicle with any of its wheels on
the ground.
This vehicle should not be towed
with the rear wheels on the ground.
Dolly Towing Rear
Towing (Rear Wheels Off the
Ground) Four-Wheel-Drive
Vehicles
Caution
Towing a four-wheel-drive vehicle
with all four wheels on the
ground, or even with only two of
its wheels on the ground, will
damage drivetrain components.
Caution (Continued)
Do not tow a four-wheel-drive
vehicle with any of its wheels on
the ground.
This vehicle should not be towed
with any wheels on the ground.
Dolly Towing
Towing (Rear Wheels Off the
Ground)
Vehicles
(Continued)
Rear
Two-Wheel-Drive