Question about 2001 Lexus RX 300

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Battery cell is dead in my rx 300 lexus 2001 .

Can I change out the old battery without resetting my cars computer

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Are Lexus' known for the computer resetting when replacing the battery? If your really worried that the computer will reset... OK, hold on. First let me say that I don't think the computer is going to reset although I have heard of a few instances where "prolonged" time without any power to the computer will cause it to have to be re-initialized by a dealership technician. I give you my advice with great caution. Please, if you do not feel completely confident doing this, then please don't. Here it goes: Use jumper cables to connect your Lexus battery terminals to another vehicles battery. Carefully remove your old battery being careful not to let the positive terminal contact anything conductive, maybe rap it in a plastic bag and duct tape or something. When you install the new battery, connect the negative terminal before the positive. Good luck and please be careful. If you are a smoker, never smoke near an automobile battery... they have been known to explode.

Posted on Feb 20, 2009

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