GMC Yukon 2023 - Page 377

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
376 Vehicle Care
Four-Wheel-Drive Vehicles
Only dinghy tow four-wheel-drive vehicles
with a two speed transfer case that has an
N (Neutral) and a 4
n setting.
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Warning
Shifting a four-wheel-drive vehicle's
transfer case into N (Neutral) can cause
the vehicle to roll even if the
transmission is in P (Park). You or others
could be injured. Set the parking brake
before shifting the transfer case to
N (Neutral).
To dinghy tow:
1. Position the vehicle being towed behind
the tow vehicle, facing forward and on a
level surface.
2. Securely attach the vehicle being towed
to the tow vehicle.
3. Apply the parking brake and start the
engine.
4. Shift the transfer case to N (Neutral). See
“Shifting into N (Neutral)” under
Four-Wheel Drive 0 208 for the proper
procedure. Check that the vehicle is in
N (Neutral) by shifting the transmission
to R (Reverse) and then to D (Drive).
There should be no movement of the
vehicle while shifting.
5. Shift the transmission to P (Park).
Caution
Failure to tow the vehicle with the
transmission in P (Park) can cause
damage to the transmission.
6. Turn off the engine.
7. Place the vehicle in accessory mode by
pressing the start button without
stepping on the brake pedal.
8. Release the parking brake only when you
are confident it is secured to tow vehicle
and will not roll.
Before going on to the next step, be
sure to take the mechanical key with
you. It will be needed to re-enter the
vehicle after the power is disconnected.
See “Drive Door Key Lock Cylinder
Access” under Door Locks 0 15.
9. Disconnect the negative battery cable at
the battery and secure the nut and bolt.
Cover the negative battery post with a
non-conductive material to prevent any
contact with the negative battery
terminal.
Caution
Failure to disconnect the negative battery
cable or to have it contact the terminals
can cause damage to the vehicle.
10. Move the steering wheel to make sure
the steering column is unlocked.
Caution
If the steering column is locked, vehicle
damage may occur.