I don't have a manual for my 2004 lincoln Avaitor but would like to know how I can change the code on the drives door key pad

KEYLESS ENTRY SYSTEM With the keyless entry keypad, you can: • lock or unlock the vehicle doors without using the key. Your vehicle has a factory set 5 digit code that operates the keyless entry system. You can also program your own 5 digit personal entry code. The factory-set code is located: • on the owner's wallet card in the glove compartment • or at your dealer. When pressing the controls on the keyless entry keypad, press the middle of the controls to ensure a good activation. This system will disable the power door lock controls. These will not work until the vehicle is disarmed. Programming your own personal entry code To program your own code: 5. Enter factory set code (keypad will illuminate when pressed). 6. Press 1/2 control within five seconds of step 1. 7. Enter your personal 5 digit code. Enter each digit within five seconds of previous one. 8. After the code is entered, the locks will cycle, confirming that the new code has been set. Do not set a code that includes five of the same number or presents them in sequential order. Thieves can easily figure out these types of codes. Your personal code does not replace the permanent code that the dealership gave you. You can use either code to unlock your vehicle. If a second personal code is entered, the module will erase the first personal code in favor of the new code. Locks and Security 149 Locks and Security If you wish to erase your personal code, use the following instructions: 1. Enter factory set code. 2. Press 1/2 control and release. The system will now only respond to the factory set code. Anti-scan feature The anti-scan feature prevents repeated attempts at arriving at a valid key code. The keyless entry pad is disabled for 1 minute after 7 unsuccessful attempts (35 consecutive button presses) at entering a valid key code. The keypad will flash during this 1 minute mode. However, the 7/8 and 9/0 controls will still lock the vehicle. Anti-scan will be turned off after: • one minute of keypad inactivity. • the remote entry transmitter UNLOCK button is pressed. • the ignition is turned to the ON position. Unlocking the doors with the keyless entry system To unlock the driver door, enter either the factory set code or the personal code (each digit must be pressed within five seconds of the prior digit). The interior lamps will also illuminate. To unlock all doors, enter the factory set code or personal code (driver door unlocks) and press the 3/4 control within five seconds. Locking the doors with the keyless entry system It is not necessary to enter the factory or personal code prior to locking all doors. To lock the doors: • with the driver's door closed, press the 7/8 control and the 9/0 control at the same time.