Hi All,i know that there are loads of functions with the remote.i would like to know more as;i got one remote that when press unlock, unlocks the drivers door only.press another time then unlocks all 4 doors.another remote (just changed battery) when press unlock once.. unlocks all 4 doors...can anyone please let me know whether there is some setting of sort or?also when press on the button long enough, the windows will open/close...any other functions?