How do i program my garage door opener on my 1997 mitsubishi eclipse?

How do i program the garage door opener on my car. I do not have the owner's manual and i do not know how to find it on the internet. I have a 1997 mitsubishi eclipse GS and i have been trying to figure it out for a while and nothing. Do I need a certain brand garage or something? somebody please help me thank you. show more How do i program the garage door opener on my car. I do not have the owner's manual and i do not know how to find it on the internet. I have a 1997 mitsubishi eclipse GS and i have been trying to figure it out for a while and nothing. Do I need a certain brand garage or something? somebody please help me thank you.
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