You can visit an Audi dealer with proof of ownership, your VIN, and the radio serial number. While some may charge an hour of labor, others like Roger Beasley Audi have been known to provide this for free or a small fee.
Paid services such as Online Radio Codes or Code-Autoradio use internal databases to "calculate" the code based on the "AUZ" serial number. audi rnse code calculator
There are several ways to get your four-digit PIN once you have the serial number and your vehicle's VIN. You can visit an Audi dealer with proof
Before using any calculator or service, you must identify your unit's , which typically begins with "AUZ" . you must identify your unit's