Remote control for garage door

My garage door opener will not close my garage door, but opens & closes my neighbors.

I've checked "how to recode remote control" websites to no avail; unable to find sensor referenced on the Challenger 9300 series.

I've also accessed their website; the remote they reference is a 3 button control. Mine is a single button. HELP!!!

Your question is a bit different but reprogramming it is answered at Neighbors Remote Opens My Garage Door

If in addition, your garage door won't close, try Garage door opens but won't close

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