is to cover manufacturer defects and does not apply to mistreatment or mishandling of the dashcam. Typically they utilize one forward-facing lens to record what is happening in front of the vehicle, and one inside-facing lens to record what is happening inside the vehicle. In the United States, using a dashboard camera to record video on public roads is legal in almost all cases. Now, most dashcams mount to a car's windshield with a secure and easy to use suction cup mount or strong adhesive pad. Videos From People Like You. This cord is usually quite long, long enough to tuck behind and route around the interior panels of your vehicle (on the way to the power outlet) so it will not be visible to the driver or passengers.