A recent update to Google Maps has allowed motorists to see the speed they are travelling, similar to the function already offered by the navigation app Waze. With GPS speedometers becoming more ...

So your car’s transmission is acting up or throwing a heart-stopping fault code and you want to find out if the speed sensors are causing it? Fabulous. Your car’s transmission speed sensors are vital ...

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.