I think it's a great idea, though I'd also have concerns about reliability. I've yet to find a car over 10 years old that has electric windows and that has never had a problem with them. If the car door thing could be done manually - perhaps with some kind of counterweight? - it would be fantastic.
Lo there do I see my father. Lo there do I see my mother and my sisters and my brothers. Lo there do I see the line of my people back to the beginning. Lo they do call to me, they bid me take my place among them. In the halls of Valhalla. Where the brave may live forever.