GMC HUMMER EV 2023 Owner's Manual page 199

198 Driving and Operating
The exact relationship of front to rear
angle is dependent on the currently
selected Driver Mode Control Mode.
How to Enter CrabWalk Mode
The following vehicle conditions must be
true to enter CrabWalk Mode:
Vehicle speed less than 2 km/h
(1.2 mph)
The vehicle is in P (Park) or N (Neutral)
Steering wheel not in motion
CrabWalk Mode can not be engaged
while Super Cruise is active
Press and hold the four-wheel steering
button continuously for four seconds
while in Off Mode or Automatic Mode.
The CrabWalk icon will begin flashing
after the four-wheel steering button is
held continuously for one second
indicating that CrabWalk Mode
engagement is now in process.
Animation in the center stack will indicate
when the switch can be released, which
will then activate CrabWalk Mode.
If button is held continuously for more
than 10 seconds, CrabWalk Mode will NOT
activate.
How to Exit CrabWalk Mode
1. The steering wheel must be center and
not in motion when exiting
CrabWalk Mode.
2. Tap the four-wheel steering button to
exit back to the Automatic Mode.
If the vehicle speed reaches higher than
about 40 kmh (25 mph) for more than
10 seconds, the vehicle will automatically
exit CrabWalk mode and turn on
Automatic mode.
CrabWalk Mode Steering Behavior
Rear wheels steer in the same direction
as front wheels at lower vehicle speeds
less than 32 km/h (20 mph).
Maximum rear steering angle in CrabWalk
Mode is 10 degrees (equivalent to front
steering wheel angle of 180 degrees).
Intended to improve maneuverability for
specific off road situations.
How to Enter Off Mode
The following vehicle conditions must be
true to enter the Off Mode:
Vehicle speed less than 2 km/h
(1.2 mph)
The vehicle is in P (Park) or N (Neutral)
Steering wheel is not in motion
Off Mode can not be engaged while
Super Cruise is active