what is this song??? i heard it on a Chrysler commercial and i remember it from when i

[Tyler da white kid]

was younger...? what is this song??? i heard it on a Chrysler commercial and i remember it from when i was younger. maybe eminem? it said on the commercial it said something about Detroit so i think eminem

link: http://www.youtube.com/watch?v=SKL254Y_jtc
i just watch the commercial so ya its eminem but what song?