Avantgarde13 years ago000Who can help me ? I have installed the Garmin BC 40 reversing camera . When reversing there should be an audible signal if there is an obstacle , but with my new Navi Drive Smart 61 there is no audible signal ?Show in original language (German)edgarheck33 years ago-101Unfortunately, I can't say anything about it because I don't have a reversing camera.Show in original language (German)Comment