Do not modify your vehicle in a manner that may affect its handling, stability, or reliability, or install non-genuine Honda parts or accessories that may have a similar effect.
Even minor modifications to vehicle systems can affect overall vehicle performance.
Always make sure all equipment is properly installed and maintained, and do not make any modification to your vehicle or its systems that might cause your vehicle to no longer meet federal, state, province, territory, and local regulations.
Do not modify or attempt to repair any of the electrical components.
Honda Civic Owners Manual. About Open Source Licenses
To see the open source license information, follow these steps.
Models with color audio system
Press the MENU/CLOCK button.
Rotate to select
Settings, then press .
Rotate to select OSS
Licenses, then press .
Models with Display Audio
Select .
Select Settin ...