I would imagine that auto up would require a switch that has the extra click on the up. Making the passenger window auto down would probably be easier if someone can figure out how to put 2 drivers switches into 1 assembly.

Erik P.
Official 2GNT thread Hijacker
Some say that he's driven over more Covenant than he's shot, and that his grenades aren't where you'd expect them to be...
All we know is, He's not The Stig... But he is The Stig's Spartan cousin!