Audio Code may be in Service History Manual I found a code in the 2007 Honda Service History Manual (one of 4 booklets received in the white envelope) on the first page, the "Pre-Delivery Inspection" page. Line 2, in the field "Audio Code", apparently filled in by the service technician during final inspection prior to delivery.. The most likely reason is if your vehicle has lost power and your radio has lost its memory. This can leave you asking yourself, how to enter Honda radio code? The process of entering your code is relatively simple. It will work on all types of Honda and Acura products, whether it's a Honda Civic radio code or a Honda Accord with navigation code.
The hardest part of this entire process is going to be finding the code. Once you have the Honda radio code it is very simple to enter it into your vehicle. Use the preset buttons on the radio to enter the correct numerical code and your radio should continue working as it always has.. If you choose to look it up online, the website will ask you a few questions. Once you've filled up the information, you should get your code. How to Reset Honda radio code. To reset the Honda radio to factory settings, follow the following steps: To reset your Honda radio, disconnect the battery. Leave as-is for a few minutes and plug it.