01-06-2024, 04:39 PM
(04-05-2024, 08:55 AM)Galaxy01 Wrote: I had my car battery replaced by a battery shop the other day.
he removed the old battery while the engine was running and then put in the new one.
I read somewhere that doing so may damage some electronic circuit/components in the car.
Yes, it can, depending on how old your car is, what make etc.
Maybe he knew yours would be fine. Or maybe he didn't give a shit / always done it that way bro, which is probably more likely. Some people are "cowboys".
Recommended way if needing to keep settings is using a backup device while the battery is swapped, with the engine off as you have mentioned others doing.
Hot swapping isn't recommended with modern cars.