When all of that is completed you will need to take the cap (button part) off again and get the body and temporarily mount it all up inside the truck. You will need the power and video ran to complete this part. You will need to hook it all up and turn the camera until it is in the right position. Once you have it where you want it, I put some clear silicone on the inside of the cap and carefully put it back on and clamped the edges back down (clean any excess silicone off the lense or from around the edges.) I don't know if the silicone is really necessary but I feel better about it with it being in there lol.