GMC Sierra 2023 Manual page 10

Warning
The Rear Camera Mirror (RCM) has a
limited view. Portions of the road,
vehicles, and other objects may not be
seen. Do not drive or park the vehicle
using only this camera. Objects may
appear closer than they are. Check the
outside mirrors or glance over your
shoulder when making lane changes or
merging. Failure to use proper care may
result in injury, death, or vehicle damage.
Troubleshooting
See your dealer for service if a blue screen
and are displayed in the mirror, and
the display shuts off. Also, push the tab as
indicated to return to the automatic
dimming mode.
The Rear Camera Mirror may not work
properly or display a clear image if:
There is glare from the sun or headlamps.
This may obstruct objects from view.
If needed, push the tab to turn off the
display.
Dirt, snow, or other debris blocks the
camera lens. Clean the lens with a soft
damp cloth.
The camera s mounting on the vehicle has
been damaged, and/or the position or the
mounting angle of the camera has
changed.
Keys, Doors, and Windows
Windows
Warning
Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the
windows closed in warm or hot weather.
They can be overcome by the extreme
heat and suffer permanent injuries or
even death from heat stroke.
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