GMC 2011 Sierra - Manual (Page 530)

Black plate (106,1) GMC Sierra Owner Manual - 2011
10-106 Vehicle Care
Front Towing (Front Wheels Off
the Ground) – Four-Wheel-Drive
Vehicles
Use the following procedure to dolly
tow a four-wheel-drive vehicle from
the front:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the front wheels onto the
dolly.
3. Shift the transmission to
P (Park).
4. Firmly set the parking brake.
{
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). The driver or others
could be injured. Make sure the
parking brake is firmly set before
the transfer case is shifted to
N (Neutral).
5. Use an adequate clamping
device designed for towing to
ensure that the front wheels are
locked into the straight position.
6. Secure the vehicle to the dolly
following the manufacturer's
instructions.
7. Shift the transfer case to
N (Neutral). See “Shifting into
Neutral” under Four-Wheel Drive
on page 9‑54 for the proper
procedure to select the neutral
position for the vehicle.
8. Release the parking brake only
after the vehicle being towed is
firmly attached to the towing
vehicle.
9. Turn the ignition to LOCK/OFF.
After towing, see “Shifting Out of
Neutral” under Four-Wheel Drive on
page 9‑54.