Turning the Rear Vision Camera System Off or On
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.
See also:
Rear Window Defogger
REAR (Rear Defogger): Press to turn
the rear window defogger on or off. The rear window defogger turns off after about
10 minutes. It can also be turned off by turning the ignition to ACC/ACCESSO ...
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload.
When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circui ...
Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...