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How to Unlock Radio Codes

Updated April 17, 2017

Most car radios come with an antitheft feature. It automatically locks your radio if it is removed from your car or the car's battery dies. When your radio has a lock on it, it is inoperable. You can unlock the radio with a numerical code. You could do this procedure yourself, or you can take it to your manufacturer.

Locate the radio code in one of two ways. Look in your user manual for the antitheft radio card. It will have your radio's serial number and unlock code. Second, call your manufacturer and ask for an unlock code. Provide your radio's serial number for proof of ownership.

Insert your key in the ignition and turn it to "On." This turns on your radio. Wait for the radio to turn on and say, "Locked" or "Code."

Press the "Tune" button. Look for the screen to go blank. Press "Tune" again to enter the first number.

Press and hold the button until you reached the right number. Repeat this step until you correctly entered all the right numbers of the unlock code. Your radio will automatically unlock once entered.

Things You'll Need

  • User manual
  • Serial number
  • Unlock code
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About the Author

Based in Massachusetts, Chanel Adams has been writing since 2009. Her work has been published by the "Lowell Sun," MadeMan.com, Coed Media and other print and online publications. She has knowledge in fashion, careers, health, education, computers and electronics. Adams has an Associate of Science in administrative medical assisting from San Joaquin Valley College.