Hey guys i thought i saw a thread on here about this recently but cant find it right now...basically my girls 08 Si radio is locked after changing the battery and she cant find the card with the code on it....what are my options in this situation and whats the easiest or cheapest way to get the code? Thanks in advance...

 

You can look up the code here:
https://radio-navicode.honda.com/

 

Thanks man!