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Home >> Mitsubishi >> 2013 >> Lancer Evolution MR >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (MITSUBISHI Multi-Communication System (MMCS) - Lancer Evolution) >> Precautions On Servicing MMCS >> Prior To Disconnecting The Vehicle Battery
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Prior To Disconnecting The Vehicle Battery

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The MMCS stores a lot of information which your customer registers in its memory. All of this information will be cleared when the battery terminals are disconnected. Therefore, the preset channels must be stored before the vehicle battery is disconnected. Vehicle's current position and destinations must be stored if the vehicle battery remains disconnected for long periods.