read your manual.
They are a garage door opener.
The owners manual tells how to program the garage door buttons good luck Cliff
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1-press #1 and #3 for 20 secs to clear all. 2-hold garage opener 2 inches away. 3-press & hold either of the 3 buttons for a few seconds. 3a-Keep holding until slow flash on LED. Upon slow flash press and hold garage door opener button. 4-when fast flash appears on visor, it's complete.
In most cases you must open the garage door opener to access the program button. Very rarely are the buttons easy to access, this is to make the unit more secure.
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