The plastic door handles break right at the mounting bolts on these Buick Lucerne. Probably the same on other full size GM cars.
This video was made as a demonstration on how to repair things and should not be done with out the proper training and safety equipment. The G Automotive and More and Its affiliates are not responsible for any damage or personal injury. Please if you don’t have the ability to do these demonstrations, don’t try and get a professional to do it for you.