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

Electric vehicles have improved quickly, but a stubborn winter problem keeps resurfacing: when temperatures plunge, too many ...

Tesla’s autonomous driving project has quietly crossed a threshold that matters far beyond bragging rights. With its Full ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...