If you're a bit sceptical and still considering whether to purchase a dash cam here are a few benefits of using a dash cam: Firstly, you can easily prevent parking accident with the help of the dash cam warning signs. Secondly, dash cams can work as a GPS with the embedded feature to some cams. Thirdly, you have first-hand proof of the accident which might happen/has happened. And last but not the least, these cams can record your whole road trip journey with all its beauty and glory of the scenes which nature would unfold to you.