are all l322 vogues fitted with an aux heater? and is it possible to program a key (like u get when it is fitted) to use it as remote?

I believe all diesels had them (mine has on a 2004) I used a Velman (think thats it) 2 channel remote to make mine remote, there is information on this if you goooooogle it but you will still need it enabled in the car ccf file for it to work by remote control, check out Gap diagnostics web site for info on which files need to be enabled.