I own a 2006 Lexus Is250, and I can't get any sound.. everything on the screen works but no volume.. can't move anything on the sound screen, and the beep won't turn on either.. any suggestions on what could be causing this.. I've checked the fuses.. help
no radio really sucks...

 

Probably the amplifier has died. I cannot offer more help, but similar symptoms on the RX350 had that diagnosis.