Power Acoustik PTID-4003TV Car Video Player "pics videos load sd card" Questions

on what you are trying to get on mp4's and pics i know work mp3 wont play through a sd card only cd Mine does play MP3 on the SD card. so, do u mean I should not use any MP3 format files in my SD card

ptid 8970 it says something flips down to load dvd but for the life of me i cant figure it out probaly the whole face folds down check all around the edges for a release if not send me a pic