GMC HUMMER EV 2023 Owner's Manual page 235

234 Driving and Operating
touch Settings > Vehicle > Collision/
Detection Systems. The view can be
closed early by selecting X, Home or Back.
A Trailer Length Indicator Overlay is
available in the Turn Signal Activated
Views when the trailer is relatively
straight behind the vehicle and a
compatible profile is configured and
selected via the Trailering App. The
overlay will not be visible when the
position of the trailer is too far to the left
or right. The overlay can be enabled or
disabled. To view available settings from
the infotainment screen, touch Settings >
Vehicle > Collision/Detection Systems.
Jack-Knife Detection and Alert
The vehicle may be equipped with
Jack-Knife Detection. The system will track
the position of the trailer relative to the
vehicle. As the front of the trailer
approaches the rear of the vehicle, a
warning or an alert will be displayed.
A warning indicates to the driver to
proceed with caution and an alert
indicates that a collision is imminent.
Based on vehicle equipment and user
settings, the visual warning or alert may
be accompanied by audible or safety alert
seat notifications. To view available
settings from the infotainment screen,
touch Settings > Vehicle > Collision/
Detection Systems.
Trailer Angle Indicator
The vehicle may be equipped with a
Trailer Angle Indicator. The Trailer Angle
Indicator gives the driver a visual
representation of the trailer s position
relative to the vehicle. (Available only in
R (Reverse), Guidelines On, or Rear
Trailering Views).
When driving Off-Road the system will
allow camera usage at higher speeds to
improve safety and awareness. To
activate place the vehicle drive mode in
Off-Road or CrabWalk. In this mode all
Camera Views in the infotainment display
will be available at higher speeds.
An underbody camera wash function can
be activated by touching the camera
wash icon on the infotainment display
while any Underbody Camera view is
active. Touching the button will activate
the camera wash. Pressing and holding
the button will activate the wash for an
extended period of time. Underbody
camera wash will not work if the front
windshield washers are activated at the
same time. See Underbody Camera at
the end of this section.
Warning
Use Hitch Guidance only to help back the
vehicle to a trailer hitch or, when
traveling above 12 km/h (8 mph), to
briefly check the status of your trailer. Do
not use for any other purpose, such as
making lane change decisions. Before
making a lane change, always check the
mirrors and glance over your shoulder.
Improper use could result in serious
injury to you or others.
HD Surround Vision with Trailer Camera
Provisions
The system shows multiple views in the
infotainment display using five cameras
mounted around the vehicle and up to two
additional accessory cameras that can be
mounted on or in a trailer. This feature
provides additional views to aid in
trailering/towing. The front camera is in the
grille under the front emblem, the side
cameras are on the bottom of the outside