GMC Hummer EV 2023 Owner's Manual page 199

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16569278) -
2023 - CRC - 1/25/23
Tap the four-wheel steering button while
in Off Mode or CrabWalk Mode to return
to the Automatic Mode.
Steering Behavior in Automatic Mode
Four-wheel steering is based on front
steering angle.
At lower vehicle speeds less than
40 km/h (25 mph) the rear wheels steer
opposite of the front wheels to
improve turning radius.
At higher vehicle speed more than
40 km/h (25 mph) the rear wheels steer
in same direction as the front wheels
to improve handling stability.
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)
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.
Driving and Operating
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).
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