Your Nissan Maxima radio will not work after you replace the battery because the radio has a built-in security system that deters theft. When the power is removed from the radio, you must have a security code to validate that you are the owner of the radio before the radio will work again. Would-be thieves know this and avoid stealing radios from cars equipped with this feature.
- Skill level:
- Moderately Easy
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Things you need
- Security code
Locate the code for your radio. This code is given to you by the dealer when you purchase the vehicle. Usually you can locate the code on a piece of paper stored in the owner's manual in the glove box. If you cannot locate the code yourself, call the dealership where you purchased the car. They can provide the code to you.
Turn on your Nissan Maxima and then turn on the radio. The radio prompts you for the code as soon as it powers on.
Enter the code using the keypad on the radio.
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