Can I manage my account online? Yes, all of our customers can manage their account online at my.oakbrook.com. You will have automatically been set up with an online account when your loan account was opened. Related articles How do I save my online account as an app to my phone? How do I login to my online account? How do I change my regular payment date? How do I change my Direct Debit details? What is the new version of my online account?