If there was another car behind you, it would not hit the car unless they were bumper to bumper touching and even then, chances are it would clear. The only time one has to be careful is when in a garage with the garage door closed. For that, I make sure my kids don't grab my key fob because they love to push buttons.
Because you pushed the button, that is Ford's fault?? A suggestion would be to read through the manual that comes with every vehicle before you go start pushing buttons that you don't know what they go to.
Sorry but that is a Fail on your part, not Ford's.
YOMV.