Modern cars have swapped regular keys for key fobs, and most of them use a CR2032 button cell battery. How can you tell if it's weak? How long do they last?

This series looks at the new — and sometimes surprising — ways AI is being used to enhance our lives. Artificial intelligence is changing the way we live in ways you may not even realize. Maybe you ...

When the modern electric vehicle was still in its infancy, drivers worried that vehicles would need expensive battery replacements within a few years. But battery lifespans are exceeding expectations.