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Garage Door Openers Incompatible
I had a LiftMaster 8550 installed yesterday. Much to my surprise, my 2011 Yukon Denali XL will not program to open it. Neither will my wife's MDX. Apparently, LiftMaster is using a new security mechanism that most cars are not yet compatible with. I was also surprised to learn that GM...- ephone1
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- Replies: 6
- Forum: Audio & Electronics
