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How to Unlock the Radio Security Code on a Nissan Micra

Updated February 21, 2017

Many models of the Nissan Micra are equipped with an antitheft system connected to the factory-installed radio. When the radio is disconnected from the electrical source by removing it from the car or unhooking the battery, the antitheft system locks the radio. The radio can only be used again once the security code is entered. The code came with the car when it was new. If you no longer have the unlock code, contact a Nissan dealer to have it looked up.

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  1. Turn the ignition on without starting the engine.

  2. Press the power button on the radio to turn it on.

  3. Enter the four-digit code using the radio preset buttons.

  4. Press the volume-up button to submit the code. The display will indicate "CODE OK" if the code was accepted. The radio is ready to use.

  5. Tip

    If the code is entered incorrectly, you must wait 10 minutes with the radio turned on before trying again.

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Things You'll Need

  • Anti-theft unlock code

About the Author

David Clair began writing for websites in 2001, creating online marketing content for business owners. He has written for Internet companies including eBay and creates training materials for an online education company. Clair is studying technical writing and pursuing an Associate of Arts in information technology from the University of Phoenix.

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