GMC HUMMER EV 2022 Owner's Manual page 175

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174
Driving and Operating
For more information about loading the
vehicle, see Vehicle Load Limits 0 179 and
Tires 0 317.
Environmental Concerns
Always use established trails, roads, and
areas that have been set aside for public
off-road recreational driving and obey all
posted regulations.
Do not damage shrubs, flowers, trees,
grasses, or disturb wildlife.
Driving on Hills
Driving safely on hills requires good
judgment and an understanding of what the
vehicle can and cannot do.
Warning
Many hills are simply too steep for any
vehicle. Driving up hills can cause the
vehicle to stall. Driving down hills can
cause loss of control. Driving across hills
can cause a rollover. You could be injured
or killed. Do not drive on steep hills.
Before driving on a hill, assess the
steepness, traction, and obstructions. If the
terrain ahead cannot be seen, get out of the
vehicle and walk the hill before driving
further.
When driving on hills:
Use low mode and keep a firm grip on
the steering wheel.
Maintain a slow speed.
Warning
Driving to the top of a hill at high speed
can cause a crash. There could be a
drop-off, embankment, cliff, or even
another vehicle. You could be seriously
injured or killed. As you near the top of a
hill, slow down and stay alert.
When possible, drive straight up or down
the hill.
Slow down when approaching the top of
the hill.
Use headlamps even during the day to
make the vehicle more visible.
Never go downhill forward or backward
with the vehicle in N (Neutral). The brakes
could overheat and you could lose
control.
When driving down a hill, keep the
vehicle headed straight down. Use low
mode to slow the vehicle and help keep
the vehicle under control.
Warning
Do not coast downhill in N (Neutral) or
with the vehicle turned off. See Hill and
Mountain Roads 0 177 for tips on
maximizing regenerative braking and
minimizing the load on the brake system.
Heavy braking when going down a hill
can cause your brakes to overheat and
fade. This could cause loss of control and
you or others could be injured or killed.
Apply the brakes lightly when descending
a hill and use a low mode to keep vehicle
speed under control.
Avoid turns that take the vehicle across
the incline of the hill. A hill that can be
driven straight up or down might be too
steep to drive across. Driving across an
incline puts more weight on the downhill
wheels, which could cause a downhill
slide or a rollover.
Be mindful of surface conditions. Loose
gravel, muddy spots, or even wet grass
can cause the tires to slip sideways,

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