Tesla, unsurprisingly, reinvented how we all perceive car keys. With the option of using a credit-card-like "key" to access and drive your Model 3, most owners employ Phone As Key technology to ...

Digital car keys aren’t new, but they aren’t widespread yet. As the technology improves, car companies and phone makers need to come together to agree on some standards.

A look at the evolution of car keys, from crank-start days to app-based access, and the most brilliant and baffling designs ever made along the way.