You've probably seen the dealer advertisements claiming to approve you regardless of your past credit. While there are some dealerships that have the resources to fulfill this promise, there are many that cannot. Even so, you will do better to arrange your own car loan. Here's a few key things to keep in mind... If it sounds too good to be true, it probably is. While there are good sources online that can help you to obtain a legitimate auto loan with bad credit, there are many offers that you should shy away from. If it looks spammy, it probably is.