Be in your garage ,have destroyed vehicle, call mors mutual insurance, buy it back so it is at the insurance depot, walk out past by the car door then walk to the garagedoor and whilst its in black screen,press up, then down then A, then once your outside go on your phone and go on the luxury motor sport site then press start, the xbox games store then press B , you should be in your garage but the entrance part so run out an get in your friends car that is outside, should hopefully glitch, with the car, or you may drive out then your could walk back in or drive back in idk inside fingers crossed, anyone wanna try it with me? If you found this post helpful then do feel free to rep or thank, thanks guys, second glitch on gta I have found