What is a car radio code?

What is a car radio code?

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A car radio code is a short string of numbers linked to a security feature found in some head units. Its purpose is to prevent theft by rendering a stolen head unit unusable when disconnected from the battery. But this feature also kicks in if your battery dies. In either case, you will need to enter the code to get the head unit working again. The typical radio will flash "CODE" to indicate this.

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How to unlock factory car radio

There are a few ways to find a car radio code, but here are the main ones, in descending order of complexity and cost.

In some cases, you can find the car radio code in the user manual. This is not a very safe place for it, considering most people have their manuals in their vehicles, but some manuals have a space for it. If you bought your car used, the previous owner may have entered it there.

Check the websites of your car manufacturer and stereo manufacturer. Companies sometimes maintain online databases of car radio codes. Entering information such as your vehicle identification number (VIN) or radio serial number may return the code you are looking for.