Hello I was looking for something but found nothing right. And I want to have my Mazda 3BM Sportsline upgrade the rear camera the yes front and rear sensors has. Now I would like to know, however, if during the return drive the small car is displayed where you see exactly where the sensors hit ! Whether it is optically displayed whether front or rear what is. . Because on some pictures you can only see the image of the rear camera . I hope I have the nic Heh too complicated explains what I mean. Greetings Torsten