As some have said it depends on the head unit for you door opener. It's easy to miss a step like waiting too long to pair. Some head unit programming only allows 30 seconds. Read the instructions carefully get your ladder in place, door to the vehicle open key in ignition then try it again.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….