Im not sure if it is the same automatic opener that I have in my Diamante, its a 97, and I had the same question you did about mine.....until today......Its WAY too complicated to explain how to program but I will hopefully send you in the right direction so you can hopefully find the right info for your car......
Go to your local library, and ask to use a program called "alldata"...Its has all the info you need about your car and more.....just type in the Model, Make, and year, and it will bring up everything from electrical diagrams, to maintainence tips and solutions......GOOD LUCK!!!!
This information is listed in your owner's manual.
http://www.homelink.com/home/faqs.taf
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