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Ls 400 Battery


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My 1991 LS 400 owners manual has the following caution. "Do not disconnect the battery without first contacting the dealer." Why is that? Will I screw up some codes? Will the alarm system disable the engine? Will I have to have the car towed to the dealer for resetting? Please enlighten me as I do my own work when possible and occasionally will need to disconnect the battery. Thanks.

BillyC 1991 LS400 - North Alabama

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