Heey guys i have a 2003 audi a4 1.8t. I haveing an issue with my car. Windows were working fine and everything and out of no where it didnt work anymore .. I checked fuses idont know what else it can be?? Sunroof wont open , window wont go down, i have to manual unlock my car my pressing the switch it just locks. But it wont unlock at all. My alarm doesnt work interior light dont go on.. Only doors light when open. What can this be? Please help guys thanks in advance!!