How do I find my car radio serial number?

The serial number is printed on a sticker on the side, top, or back of your car radio unit. You may need to remove the radio from the dashboard to see it. For many radios, the serial starts with a letter (M, V, L, or C) followed by 6 digits, or it is a 7-digit PCB number.

Is carradio.codes really free?

Yes, carradio.codes is 100% free with no registration, no payment, and no hidden fees. You can decode unlimited radio codes at no cost.

What car radio models are supported?

Currently, carradio.codes supports various radio models including: M Series (6-digit), V Series (6-digit), L Series (6-digit), C Series (6-digit), and PCB codes (7-digit). More brands will be added in the future.

How long does it take to get the radio code?

The code is generated instantly — typically in under 1 second. There is no waiting, no queue, and no email verification.

How do I enter the unlock code on my radio?

After receiving your 4-digit code, use the preset buttons (1–4) on your car radio to enter each digit. Press button 1 repeatedly until the first digit matches, then button 2 for the second digit, and so on. Finally, press and hold button 5 or the confirmation button to submit.

What if the code doesn't work?

Double-check that you entered the correct serial number. Make sure there are no typos and that you are using the right prefix letter. If the code still doesn't work, your radio may require professional service.

Terms of Service

Last updated: March 4, 2026

1. Acceptance of Terms

By accessing or using carradio.codes ("the Service"), you agree to be bound by these Terms of Service. If you do not agree, do not use the Service.

2. Description of Service

carradio.codes is a free online tool that generates car radio unlock codes based on a serial number you provide. The Service currently supports various standard radio formats (M, V, L, C, and PCB codes).

3. No manufacturer affiliation

carradio.codes is not affiliated with, endorsed by, sponsored by, or licensed by any vehicle or radio manufacturer. All brand names, trademarks, and product names mentioned on this website are the property of their respective owners and are used solely for identification purposes.

4. Lawful use only

This Service is intended exclusively for use by the legitimate owner of the vehicle or car radio unit in question. Retrieving the unlock code for a car radio that you own is legal in virtually all jurisdictions — the code is a manufacturer-imposed security measure to deter theft, and the rightful owner is entitled to access it.

By using this Service, you represent and warrant that:

You are the legal owner of the car radio for which you are requesting an unlock code, or you have been explicitly authorised by the legal owner to do so.
You will not use this Service to unlock stolen property or to facilitate any illegal activity.
You accept full responsibility for ensuring that your use of the generated code is lawful in your jurisdiction.

5. No warranty

The Service is provided "as is" and "as available" without warranties of any kind, whether express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement.

We do not guarantee that the unlock codes generated will work in every case. Factors such as incorrect serial numbers, radio firmware updates, or hardware modifications may affect results.

6. Limitation of liability

To the fullest extent permitted by applicable law, carradio.codes and its operators shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising from or related to your use of the Service, including but not limited to:

Damage to your radio, vehicle, or electronics.
Loss of data or revenue.
Inability to use the generated code.
Any third-party claims.

7. Intellectual property

The code, design, and content of carradio.codes are our intellectual property. You may not copy, reproduce, distribute, or create derivative works from any part of the Service without our prior written consent.

8. Analytics and cookies

We collect anonymised usage statistics. Analytics cookies are loaded only if you accept cookies via our cookie consent banner. For full details, see our Privacy Policy.

9. Modifications

We reserve the right to modify, suspend, or discontinue the Service at any time without notice. We may also update these Terms of Service from time to time. Continued use of the Service after changes constitutes acceptance of the revised terms.

10. Governing law

These Terms shall be governed by and construed in accordance with applicable law. Any disputes arising from these Terms or the use of the Service shall be resolved in the relevant courts of the jurisdiction in which the operator resides.

11. Contact

If you have questions about these Terms of Service, contact us at contact@carradio.codes.