Car companies often have a bancing licence on their own. So they pay some interest but can create more money with these deposits. So it's cheap money for them.
Virtually every car dealer partners with real banks to handle loans. They certify your car as collateral, and essentially apply on your behalf, and you walk out the door with a loan from JP Morgan, Chase, or whereevs.
My experince in Europe was different. I actually looked into Wikipedia for a Honda bank, and it exists. I also know Volkswagen bank.
That's not how fractional reserve banking works..
Bank are paying for deposits, and create money wjile the deposits are the security. Simplified.