This photo is direct from a AAA lockout manual.
Yes,you can open a C6 by air jacking (prying)the rear hatch.But this method is not recomended due to possibility of damage.
Prying drivers and or passenger door windows can result in damage as well.
I am 99% sure if you tow to dealer,dealer will...
Escort 9500ix is my choice,with a Blendmount radar detector mount and a MirrorTap power cord. In addition a LaserInterceptor laser jammer.
Some great information can be found at RadarDetector.org and Guysoflidar.com.
No SlimJim. AAA lockout manual says 'Tow to dealer. No safe entry method'.And they, the dealer, must break a window. Several new vehicles are manufactured this way. The problem is with the electronic entry, there is no mechanism in the door to manipulate. I was thinkin a locksmith would have...