I press the custom button right after I pass the garage so I can see if the door is open or not. I tried automatic opening with my home automation and it will definitely send a signal - but, if the door is already open (worse yet, my wife is going to walk through the open door), it starts to close. My experience has shown it is worth checking the door status prior to the door signal being sent. I realize it is situational - some may have sufficient driveway length to see the status of the door prior to actualization, but I find pressing the custom button isn't worse than the door doing something I might not want in that particular instance.