How can I update my current information ?

Go their website and Facebook page. They have specific dates for that.

Go to their website first, read the instructions about updates. You'll have to click on an appointment date, but they only open up the website two weeks prior to the appointments. You will need to eagle eye that link two weeks prior to the appointment you need for your update. Get to their website later that AM and all the spots are taken and it appears that there are no openings. There were but they're were all taken.

Try going in for and appointment.