GMC HUMMER EV 2022 Owner's Manual page 241

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240
Driving and Operating
The accessory trailer cameras are
swapped at the hitch connector. Ensure
that the accessory camera(s) are
connected to the correct camera input.
A trailer profile is not configured and
selected.
The entered trailer profile dimensions are
inaccurate. Measurements are expected to
be made to the nearest centimeter or
inch. Enter accurate measurements and
reattempt calibration.
The trailer position is not known. Drive
straight forward to learn trailer position.
The rear vehicle camera is obstructed by
dirt or debris. Check cameras and clean as
needed.
Transparent Trailer, Standard Guidelines,
Bed Hitch Guidelines, Rear Trailer
Guidelines, Articulation Angle Indicator,
Jack Knife Detection are unavailable with
CrabWalk activated.
Certain viewing features may experience
degraded performance if:
The entered trailer profile dimensions are
inaccurate. Measurements are expected to
be made to the nearest centimeter or
inch. Enter accurate measurements and
reattempt calibration.
The rear vehicle camera is obstructed by
dirt or debris. Check cameras and clean as
needed.
For trailers with outboard wheels:
Performance for Transparent Trailer and
Jack Knife Detection are optimized when
the entered value for trailer width reflects
the width of the box of the trailer. If total
width is entered:
The inlayed camera view in
Transparent Trailer View may appear
wider than the trailer face.
The rear vehicle camera is obstructed by
dirt or debris. Check cameras and clean as
needed.
Jack Knife Detection alerts may activate
prematurely.
Performance for Transparent Trailer and
Jack Knife Detection are optimized when
the entered value for trailer width reflects
the width of the box of the trailer. If total
width is entered:
The inlayed camera view in
Transparent Trailer View may appear
wider than the trailer face.
Jack Knife Detection alerts may
activate prematurely.
Performance for Rear Trailer Guidance
Lines and Trailer Length Indicator Overlays
are optimized when the entered value for
trailer width reflects the total width of
the trailer including outboard wheels.
If the trailer box width is entered:
The Rear Trailer Guidance Lines will
appear narrower than the actual path
of the trailer.
The Trailer Length Indicator Overlays
will appear closer and possibly overlap
with the trailer.
Underbody Camera
There are two cameras underneath the
vehicle that show a view of the areas
underneath the front and rear bumper. This
feature is activated through the
infotainment display.
The cameras can be washed by the
following procedure:
1. Touch CAMERA on the infotainment
display.
2. Select the front/rear underbody
camera view.
3. Choose which camera to wash. Only one
can be washed at a time and the screen
cannot be split between both.

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