You will likely need to pull the radio out slightly using release keys. The serial number is usually on a white label or engraved on the back/side of the metal casing.
Downloading a standalone "Alpine radio code generator.exe" file is incredibly risky. Cybersecurity experts warn that these files often contain: alpine radio code generator
Alpine radios, like many other car radios, have a security feature that requires a code to be entered to unlock the device after it has been disconnected from the car's battery or if it has been reset. This code is known as the "radio code" or "security code." If you've lost or forgotten your Alpine radio code, don't worry – this guide will walk you through the process of generating a new code. You will likely need to pull the radio