Try inside the trunk on one of the hinges
It should be printed on a sticker in your trunk. I have a 1990 town car and the sticker is located on the right hinge when the trunk is opened.
look 4 the remote
$45 at Autozone.com
On the right hinge of trunk lid
You can find a car remote replacement at BrentwoodAudioCar online. In order to get a replacement you need to provide them with the FCC ID number on the back of the remote.
on the back of the factory radio.
To find the keyless entry code for a 2011 Lincoln Town Car, check the owner's manual as it often includes the code. If the code is not listed there, it can typically be found on a sticker located in the trunk area, either on the left side or on the spare tire cover. Alternatively, you can visit a Lincoln dealership, where they can retrieve the code using the vehicle's VIN.
Most of the time the keyless code is located on the right trunk lid hinge.
h7g4h749lr9kb798
7865756
gjdfhdfghdfgjn
If it's beeping with a horn, most likely PANIC mode on the car remote is on.