Ive a Jaguar x 2001 3litre sport all of a sudden its started making locking/unlocking sounds in the doors,its got worse the last few days it does it when I break and indicate in any direction , it seemed to be intermitant ,its got worse since I had the mot dine last week and a few jobs done on it ,a few it cost me 950 pounds, I just wondererd if anyone had any idea what it might be