Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Shelly has quietly launched a new smart home control panel in Europe, giving users an easy way to remotely manage and control ...

Lenovo has officially launched the X1 digital camera in China, with pre-orders now open at a starting price of 349 yuan ($50). The camera targets users who want a simple and approachable option for ...

To disable it, navigate to Settings, Picture, Picture Mode and select any mode other than Energy Saving. You'll likely need ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

So here is a list of controversies and highlights that defined the year 2025 in car terms, in no particular order. Liberation ...

Simple bumper dings now require expensive sensor recalibration. The automotive past is often recalled fondly. A fender bender was a nuisance, certainly, but the required repair was relatively ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. An automatic transfer of funds is a banking arrangement that allows for regular, scheduled ...

The velocity of light in vacuum, c, is approximately 3 × 10 8 m s −1, fast enough to make 7.5 round-the-world trips in a single second, and to move a distance of 300 mm in 1 ns. This ultrahigh speed ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...