GMC 2010 Acadia Owner's Manual page 296

9-40 Driving and Operating
Rear Vision Camera Error
Messages
Service Rear Vision Camera
System: This message can display
when the system is not receiving
information it requires from other
vehicle systems.
If any other problem occurs or if a
problem persists, see your dealer/
retailer.
Rear Vision Camera Location
The camera is located above the
license plate.
The area displayed by the camera
is limited and does not display
objects that are close to either
corner or under the bumper.
The area displayed can vary
depending on vehicle orientation
or road conditions. The distance
of the image that appears on the
screen differs from the actual
distance.
The following illustration shows
the field of view that the camera
provides.