Motor City Lyrics

Lyric discussion by jrocha 

Cover art for Motor City lyrics by Neil Young

hi everyone. i need help to find out the meaning of these two sentences: 1)The paint job is lookin' blue 2)The whitewalls are missing too the whole song is about cars and the Asian car invasion in the early 80's. i guess is about people losing their jobs in the American car industry. is there any relation? but i'd like to know the exact meaning of paint job and whitewalls. i'm asking because i'm not a native speaker...:)