Quote Originally Posted by Cougar281 View Post
FWIW, when I added the backup camera to my 2010 CTS, I just got a 3 day subscription and reprogrammed the radio, selecting the calibration that included the backup camera. Easy as pie. The camera was not an option in 2010, but the same radio was used until 2013, so the programming is available.
Cougar281 thanks for that info. Please tell me...what passthru device did you use (Tech2?) and how did you select the programming? Did you insert a 2013 CTS VIN in the lookup?
I am contemplating going this route but I need to buy a J2534 passthru and then the $55 3 day subscription.