I'm starting to assume he has a debit card via BOA if he has no credit histroy at all.
When I got my first car loan it was a cake walk because I had a couple CCs I ran all my expenses through in college and always kept paid off.
Like John says though, the credit rating system gives more brownie points for real loans than they do rotating credit.
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2004 S60R - 350+ HP, AWD, Custom FMIC & Exhaust, Active Suspension & A Big Set Of Brembos

Crazy Camber, Stretch & Poke; its the new triple-stack-bleacher-wing ricer fad that's all the rage nowadays, lol