Speedemon: you asked about ASL button missing on LCD and non-functionalty on sound button...I have lost both on my 2001 LS430 w/Levinson...gps works w/voice but no sound on cd or radio(disc is spinning)...sound just cut out and never came back...battery ok...fuses ok...maybe amplifier? New here...please email me at uhalde@sbcglobal.net or call (408)768-4089...thank you