Thanks for the info, Tony. When my battery was completely dead a couple weeks ago, I did have to enter all my security codes. After putting the battery on a charger overnight, I didn't notice any difference in the way the IMA worked. But, like you said, when I did have Honda pull my old battery and put the new one in, they probably used a memory device to keep voltage in the car while doing the swap. I'm not really too concerned about going through the trouble of resetting the ECU. So I won't be pulling the power anytime soon.

Good luck on your trip! Definitely post your mileage when you get back.

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