hi all, i'm new to this forum. from australia. i've just brought a pioneer avic-hd3, i would like to update the maps but they are not available from pioneer aus anymore for my unit i was told, my question is i have a sd card with the lastest maps installed on it can i download them onto a dvd disc then insert it into the hd3 just the maps not the OS it's got the lastest igo8 software. cheers dean