Chevrolet 2010 HHR Owner's Manual page 157

To turn off the rear vision camera system, press and
hold , located on the inside rearview mirror, until the
left indicator light turns off. The rear vision camera
display is now disabled.
To turn the rear vision camera system on again, press
and hold until the left indicator light illuminates. The
rear vision camera system display is now enabled and
the display will appear in the mirror normally.
The camera is located in the rear of the vehicle.
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.
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