When you're considering the idea of taking a cash-out refinance loan, it's absolutely important to remember how delicate of a process it actually can be for you. Refinancing a loan simply means that you're taking out another loan that is bigger than the amount paid for the car originally. The result is being left with more money after your car loan has cleared. While it sounds great and appealing, it can also have downsides.
The main reason you'd take out a refinance car loan would be if you need cash, immediately! Most people need cash for a variety of reasons, and refinancing your auto loan gives you a chance to extend your currently loan while obtaining funds for immediate emergency use and spend. It's typically used to payoff debts or bills, reducing stress altogether. It's a good way for those who've succumbed or become a victim of the shopping momentum effect where they're in a vicious cycle of constant spend!
Some people refinance because it's a good way of getting money to complete their education. It'd be banking on the fact you're open to more opportunities - and, those opportunities will find their way to be paid back in the end.
Refinancing might not be a good idea if you're using it solely to pay off debts used on a credit card. You risk potential in creating another vicious cycle where you're ultimately running into more and more debts down the road. Ideally, the goal would be to get out of debt if you're in it. Tackle the largest obstacles first, identify your spending and over spending, create financial awareness and get yourself on track. Having bad credit shouldn't ruin your life, and now is better than never to start rebuilding your credit score! Read more about credit scores from https://en.wikipedia.org/wiki/Credit_score.