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A memory saver should be installed prior to disconnecting the battery from a vehicle so all of the personalized settings of the car owner will be saved. If this is not done, all radio stations as well as security codes for radio theft program and car alarm will have to be reset. many car owners do not have these codes and have to contact the dealership to gain access to them once they are cleared from the system.

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Q: Why should a memory saver be installed before disconnecting a vehicle's battery?
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