GMC HUMMER EV 2023 Owner's Manual page 186

If the vehicle is shifted from either
R (Reverse) to D (Drive) or L (Low),
or D (Drive) or L (Low) to R (Reverse) while
the speed is too high, the vehicle may shift
to N (Neutral). Reduce the vehicle speed and
try the shift again.
To shift into R (Reverse):
1. Bring the vehicle to a complete stop.
2. Press and hold the shift lock release
button on the side of the shift lever.
3. From the center position, move the shift
lever forward to R (Reverse). R will be
illuminated in red.
4. After releasing the shift lever, it will
return to the center position.
To shift out of R (Reverse):
1. Bring the vehicle to a complete stop.
2. Shift to the desired gear.
3. After releasing the shift lever, it will
return to the center position.
At low vehicle speeds, R (Reverse) can be
used to rock the vehicle back and forth to
get out of snow, ice, or sand without
damaging the electric drive unit. See If the
Vehicle Is Stuck 0 175.
N : In this position, the propulsion system is
inactive. If the vehicle is moving and turned
off, restart the propulsion system in
N (Neutral) only.
If the vehicle is left in (N (Neutral) for a
prolonged period of time the 12V battery
will be drained.
To shift into N (Neutral):
1. Move the shift lever forward to
N (Neutral).
If the vehicle is in P (Park), apply the
brake pedal and press the shift lock
release button while moving the shift
lever forward.
The N indicator will illuminate in red.
2. After releasing the shift lever, it will
return to the center position.
To shift out of N (Neutral):
1. Bring the vehicle to a complete stop.
2. Hold the brake pedal down.
3. Shift to the desired gear.
If the brake pedal is not applied, the vehicle
may remain in N (Neutral).
Driving and Operating
Car Wash Mode
This vehicle includes a Car Wash Mode that
allows the vehicle to remain in N (Neutral)
for use in automatic car washes.
Car wash mode is not to be used for
recreational vehicle towing. If the vehicle is
disabled and needs to be towed, see
Transporting a Disabled Vehicle 0 347.
Caution
The vehicle is not designed to stay in
N (Neutral) for extended periods of time.
It will automatically shift into P (Park) if
left in Car Wash Mode.
Car Wash Mode (Vehicle Off Driver in
Vehicle)
To place the vehicle in N (Neutral) with the
engine off and the vehicle occupied:
1. Drive to the entrance of the car wash.
2. Apply the brake pedal.
3. Shift to N (Neutral).
4. Turn off the vehicle and release the
brake pedal.
5. The indicator should continue to show N.
If it does not, turn the vehicle on and
repeat Steps 2 4.
185