Any advice would be greatly honored.......bought a replacement key and remote off of EBAY... took to dealer, said it would cost 60 - 100 to program remote and did the key for free.....tried key didnt work ...came home and programmed remote and it works.....my question is, does the key has to be prog too or should i take the key back..I am looking for an passenger sideview mirror also I ahve an 2008 escalade plat... the mirror is black on top and chrome on bottom, dealer wants 770.00.....I know i can get it for less