Q: I have few issues in my xc90, there is no sound and when I press a button to switch to radio the screen goes blank could you help me fix my radio,

A: Hi, it looks like amplifier is not working, I would check under the amplifier for any signs of water or corroded plugs, I think the power cable is corroded and also fuse I think number 2 is blown, it is in fuse box by the door in the C pillar please check these things and let me know