Most modern vehicles come with two transmission speed sensors, which are responsible for monitoring the input and output shaft speeds of the transmission. These sensors send information to your car's ...

In iOS 17 and watchOS 10, Apple turned the iPhone and Apple Watch into full-featured bike computers. Here's how to set up your devices and add cadence sensors, speed sensors, and more to track your ...

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

Charles Leclerc and Carlos Sainz were blurs. The Scuderia Ferrari drivers hurtled at a top speed of 324 km/h (over 201 mph) at this year’s Austrian Grand Prix as they whipped around the tight turns of ...