ANSWERS: 2
  • the code is located behind your glove box, you need to take the glove box door off (by squeezing the sides) and it is located on a module up iniude toward the radio. It is a five digit code and when entered will lock the doors this will show you it is the right code.
  • First you need to know the factory code which will never change no matter what. If you do not know this code open your glove box and squeeze the back down until it drops forward to the floor. Over to the right there will be a plastic box (either dark gray or black with some power plugs going into it. This box is up tight against the heater. Take a flashlight and look down between the heater and the box you just found and you will see 5 numbers on a sticker. Write these down as these are you current door codes. To change your door code to a custom code. Enter the factory code on the door keypad then within 5 seconds press the 2 button, then enter your own personal five digit code. It is that simple. The hard part is seeing the 5 digit number on the plastic box behind the glove box. Once you set that you can lock all the doors on your 2003 expedition by pressing the 7 and 9 keys at the same time. Good Luck and enjoy.....

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