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Vehicle Information: Year: 2001; Engine (type, size, modifications): 3.2L; Total Mileage: 30,000; Transmission: Manual;

My car has a dealer-installed battery maintainer (sits next to the battery). When I replace the almost-six-year-old battery, can I simply plug the maintainer into 110V to preserve the radio code and any other codes (e.g., engine learn codes)?

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