hi,i wont to know if somebody has tried programming a megane card onto a laguna and vice versa. normally the chip inside is pcf7947. so logically it should program.if some has trie let me know. this is for normal card-not handsfree--then dont know if handsfree can work. the card are identical insde only the cover is diff. well if in futre no one has triedi shall buy apcf7947 chip and cover ,try it -if fails i replace the damage chip and fit a new cover,thanks