You need the remote control that goes with this DVD player to make it work it has two security devices. One you remote, you must push the power button on the remote the first time you use it. Two the security code, it is a four digit code that must be entered anytime that the device is installed into a different car. If it's code is not setup yet the code is 0000, otherwise you need to get the code from the person that installed it. There is no way to bypass the these two steps.