My moms 06 accord navi screen it says please check disk ,and she cant use the big screen at all she has to look at the litte one up on the dash but she has cleaned the disk I fig she just needs the updated disk ? My buddys in parts at honda told me i should get it from some web sight and gave me a phone number but its $100 im just wondering what yall have done. cuz if its the unit that scratched it i dont wanna try someone elses out and scratch theres.