I attached a picture that shows the corner crush tabs of your 2020 Cadillac CT6 that need to be removed for the hitch # C12160 to fit properly. view full answer...
Good question; yes, the sensor that opens the trunk on your 2019 Cadillac CT6 will still work after the installation of the Curt Trailer Hitch Receiver # C12160. As you can see by step 5 of the cut out of the linked installation instructions I added, you will unclip the motion sensor harness and then re-install it so the sensor will maintain its functionality. view full answer...