Not really as it sounds... I installed last night by myself the DEH-P690UB and although it works flawless, the tray is loosen. The Unit itself has a joystick and if I move it up or down (sometimes left or right) the unit moves too. There's nothing to secure the metal grid that holds the headunit. I dont even see any screw holes. Am I doing something wrong or could you please guide me (with somes pictures) if possible?