1996 Mercury Grand Marquis Owner's Manual - Page 131

If you do not want to use the Autolock feature, it can be deactivated by using the buttons for the keyless entry system. To deactivate the Autolock feature: 1. 2. 3. 4. Enter your permanent five-digit entry code (not the user code you may have set). Within 5 seconds, press and hold 7/8. Within 5 more seconds, press and release 3/4. Release 7/8. To reactivate the Autolock feature, simply repeat the instructions for deactivating the system. The Autolock feature can be turned on and off using the instructions above. Programming your own entry code You can program a personal code to unlock your vehicle. This code does not replace the permanent code that the dealership gave you. Use your personal code in the same manner as you would your original code. To program your own code: 1. 2. 3. 4. Select five digits for your personal code. Enter the permanent code that the dealership gave you. Within five seconds, press 1/2. Within five seconds of pressing 1/2, enter your personal code, pressing each digit within five seconds of the previous digit. 128