Electric vehicle owners across the United States are dealing with an unexpected side effect of modern connected-car technology, the very features designed to make keyless entry seamless can quietly ...

This article explains an engineer’s reaction to an experiment involving 400 car batteries connected together. It highlights ...

You're running late, your car won't start, and you're standing there with jumper cables and a charger wondering –– do I have to disconnect the battery before I juice it up? The short answer is no, you ...

Installing a new car battery might seem straightforward, but connecting it incorrectly — usually by swapping the positive and negative cables – can cause major damage. A backward connection directs ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

If the car battery terminals are reverse connected during a jump start, vehicle upkeep, or repair, components in the associated automotive electronics modules may be damaged if they cannot handle the ...