Clarion Radio Code Generator by Serial Number
If your Clarion radio is displaying CODE, ENTRY CODE, or BLOCKED after a battery disconnect, you can retrieve your original 4-digit security code online.
We support Clarion units fitted in Peugeot, Citroen, Nissan, Suzuki, Subaru, Alfa Romeo, as well as standalone aftermarket models.
Get Your Clarion Radio Code
Enter your Clarion radio serial number below:
Clarion radio radio · Not a Clarion radio? Change the make
How to find your Clarion radio serial number
To locate your Clarion serial number, the radio unit must be removed from the dashboard using radio release keys. The serial number is printed on a white barcode label or stamped directly into the metal casing.
Example of a Nissan Clarion radio label.
Example of a Clarion serial number sticker on the back or side panel.
Step 1: Remove Radio
Insert standard release keys into the slots on the front panel to unlock and slide the unit out safely.
Step 2: Locate Label
Look for the white barcode sticker on the side or top metal casing of the Clarion stereo.
Step 3: Read Serial Number
Identify the serial (e.g. CL0549A0012345 or C70000001234) and enter it into our online generator above.
Clarion radio models supported
Our database supports factory-fitted and aftermarket Clarion head units across multiple vehicle manufacturers:
- Peugeot Clarion Units (PU-2294A, PU-1561A, etc.)
- Citroen Clarion Units (PU-2471A, PU-1633A, etc.)
- Nissan Clarion Head Units
- Suzuki Clarion CD & Navigation
- Subaru Clarion Audio Systems
- Alfa Romeo Clarion Cassette / CD
- Clarion Aftermarket CD/USB Players
- Clarion Navigation & Touchscreen Units
Check our dedicated guides for Volkswagen, Ford, Renault, or Nissan.
1. Switch ON the radio until display shows
CODE or 0000.2. Press button 1 repeatedly until the first digit appears.
3. Press button 2 for the second digit, button 3 for the third, and button 4 for the fourth.
4. Press button BND, SRCH, or preset 6 to submit and activate your radio.
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Support Team
If you have difficulty finding your serial number or entering the code, our team is here to assist.
Clarion radio code FAQ
How do I find the serial number on a Clarion radio?
You must remove the radio unit using removal keys. The serial number is printed on the barcode sticker on the casing, usually starting with CL, CLARION, C7000, or 14-16 digits.
Which car brands use Clarion radios?
Clarion manufactures factory radios for Peugeot, Citroen, Nissan, Suzuki, Subaru, Alfa Romeo, and aftermarket units.
How do I enter the unlock code into a Clarion radio?
Use preset buttons 1-4 to enter each digit of your security code, then press the ‘BND’, ‘SRCH’, or preset 6 button to confirm.
What if my Clarion radio shows ‘BLOCKED’ or ‘WAIT’?
Leave the radio switched ON for 30 to 60 minutes with the vehicle ignition on to reset the penalty timer.