Guides
Car radio code guides
Short guides to the problems we help with every day, written by the people who answer our support inbox.
- Your radio is asking for a code after a battery change: what to do in the next ten minutes Why the radio locked, why guessing makes it worse, and how to find the number the code comes from. 4 min read
- VIN or serial number: which one your radio needs Which makes work from the VIN, which need the radio's own serial, and how to tell the two numbers apart. 5 min read
- Where to find your car radio serial number, brand by brand Which radios show their serial on the screen, which have to come out, and how to tell the serial from the part number on the label. 7 min read