I'd rather press a button once when driving, than have to wind a handle. It's the same as using a mobile.
Also, your latest suggestion would make the car an icebox in winter.

The solution is, air con. As proven by the millions of cars with it installed.
( Dave Trouser ; the people's choice - 75% agree, Thu 11 Jun 2009, 19:44, archived)

it's a crap solution because it drains engine power and increases your mpg,
especially in this day and age when mpg is more important than ever. The popularity of the idea isn't proof of how good it is. It's a luxury feature, and luxuries sell, because people like luxuries.
( Moon Girl Technologies horrendous beanbag, Thu 11 Jun 2009, 19:47, archived)