i seen in a thread that all new ram with thte express down and up windows have where you can hold the unlock on the fob and the windows will roll down. i have a 2012 dodge laramie loaded except sunroof and i can't seem to get this feature to work. also have a 2010 charger with express windows, and in the owners manual it shows how to use this feature but don't work on it either am i missing something or why won't it work on my vehicles