Hi everyone I'm new here but let me cut right to the chase I have avic 80 DVD with a 6500 HD the problem I'm having is when i try to upgrade to the 40,50,or 60 MT I get the dreaded please insert the appropriate disc. can anyone help with how to go about doing the upgrade I've tried the hard reset
& no luck any info would be greatly appreciated.
ps. just bought D3 & Z2 for my other cars installed the Z2 Love it but haven't Installed D3 has yet. thanx again this is a great forum.