1996 Mercury Villager Owner Guide 1st Printing - Page 140

Using the Keyless Entry System To operate the Keyless Entry System, you must be familiar with the "personal code" and the "permanent code." The personal code is a code number that you select that is easy for you to remember. This is the number that you enter on the keypad to unlock the door. The personal code can be changed as often as you like. The permanent code is a number that is assigned to your vehicle. It does not unlock the door but is used to program your personal code into the system. Once you have programmed your personal code you will not need the permanent code again until you wish to change your personal code. The permanent code is taped to the computer module behind the center console of your vehicle. It is also taped to your Keyless Entry System Owner's Card. For your convenience, three additional pieces of tape with the permanent code have been included in the glove box. Place these additional pieces of tape in safe locations where you can refer to them when necessary. Do not put them in any location that is accessible to unauthorized persons, since this would allow them entrance to your vehicle. Valid and Invalid Codes To help protect your vehicle from theft, certain codes that are easily figured out cannot be registered for your personal code. Some of the codes that cannot be registered for your personal code include: the permanent code, five numbers consisting of the same button, five consecutive numbers and a sequential combination of numbers. The keyless entry system reads 1/2 and 9/0 as sequential numbers. 142