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Enter your details and receive the unlock code for your Peugeot car radio.
Remove the radio
Remove the trim panel around the radio using a plastic pry tool. Insert the DIN extraction tools into the slots on the sides of the radio until you hear a click, then slide the radio forward. For the Peugeot RD4 (Blaupunkt) the label is on the side of the unit.
Read the C7 barcode
Find the barcode on the label starting with "C7". This is the Clarion radio serial number. You only need the last 4 digits. Example: if the label shows C7 0000 1234, enter 1234. Note: the BP prefix (Blaupunkt RD4) starts differently — that serial number has 14 characters.
Enter the code
Enter the last 4 digits of the C7 barcode below. Warning: on Peugeot, too many wrong attempts will permanently lock the radio. Check your serial number carefully before entering the unlock code in the car.