How do you program the keys? I had a extra key shipped to me. - 451 smart fortwo 2010-12-26T04:37:52Z http://www.451s.com/forum/topics/how-do-you-program-the-keys-i?feed=yes&xn_auth=no You have to take the Car and… tag:www.451s.com,2010-05-04:1912846:Comment:78449 2010-05-04T01:23:42.485Z Brabus007 http://www.451s.com/profile/Brabus007 You have to take the Car and ALL the keys to the Dealer and have them reprogramed together $100.00<br /> OUCH You have to take the Car and ALL the keys to the Dealer and have them reprogramed together $100.00<br /> OUCH