It's up under the driver side dash, on a white sticker, on a white computer module, kind of behind the fuse box. It's a 5 digit number printed larger than everything else on the sticker.
How Do I Fine The Keypad Code On A 99 Lincoln Navigator.?
Reprogram door buttons
How do I find out what my keypad door code is on my car or change it to a new code, I have a 2001 Lincoln tow car