We have been asked a couple times how to enter a safe code in the RCD 310 VW Radios, so here it is!
If you purchase a radio with no code. locate the Serial Number that starts with "VWZ" as shown in the begining. We purchase our codes from the following person;
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keys 1-4 are used for each digit to enter code into. Last button "OK" press once code is entered and done!
![](https://i.ytimg.com/vi/dfsgFVyVv_c/maxresdefault.jpg)